Home / 25,608,025.80-38,412,038.70-21,184,345.80

Finding the Fourth Proportional to 25,608,025.80, 38,412,038.70 and 21,184,345.80

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Solution

The fourth proportional to 25,608,025.80, 38,412,038.70 and 21,184,345.80 is: 31,776,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608,025.80 : 38,412,038.70 = 21,184,345.80 : x
  2. Step 2: Convert to fraction form
    25,608,025.80/38,412,038.70 = 21,184,345.80/x
  3. Step 3: Cross multiply
    25,608,025.80x = 38,412,038.70 × 21,184,345.80
  4. Step 4: Simplify right side
    25,608,025.80x = 813,733,910,703,782.50
  5. Step 5: Solve for x
    x = 813,733,910,703,782.50/25,608,025.80
  6. Step 6: Final answer
    x = 31,776,518.70

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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.