Home / 25,172,025.40-37,758,038.10-21,133,073.80

Finding the Fourth Proportional to 25,172,025.40, 37,758,038.10 and 21,133,073.80

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Solution

The fourth proportional to 25,172,025.40, 37,758,038.10 and 21,133,073.80 is: 31,699,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172,025.40 : 37,758,038.10 = 21,133,073.80 : x
  2. Step 2: Convert to fraction form
    25,172,025.40/37,758,038.10 = 21,133,073.80/x
  3. Step 3: Cross multiply
    25,172,025.40x = 37,758,038.10 × 21,133,073.80
  4. Step 4: Simplify right side
    25,172,025.40x = 797,943,405,710,511.88
  5. Step 5: Solve for x
    x = 797,943,405,710,511.88/25,172,025.40
  6. Step 6: Final answer
    x = 31,699,610.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.