Home / 28,331,360.30-42,497,040.45-22,166,644.70

Finding the Fourth Proportional to 28,331,360.30, 42,497,040.45 and 22,166,644.70

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Solution

The fourth proportional to 28,331,360.30, 42,497,040.45 and 22,166,644.70 is: 33,249,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,360.30 : 42,497,040.45 = 22,166,644.70 : x
  2. Step 2: Convert to fraction form
    28,331,360.30/42,497,040.45 = 22,166,644.70/x
  3. Step 3: Cross multiply
    28,331,360.30x = 42,497,040.45 × 22,166,644.70
  4. Step 4: Simplify right side
    28,331,360.30x = 942,016,796,456,678.12
  5. Step 5: Solve for x
    x = 942,016,796,456,678.12/28,331,360.30
  6. Step 6: Final answer
    x = 33,249,967.05

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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.