Home / 21,517,831.70-32,276,747.55-16,415,998.10

Finding the Fourth Proportional to 21,517,831.70, 32,276,747.55 and 16,415,998.10

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Solution

The fourth proportional to 21,517,831.70, 32,276,747.55 and 16,415,998.10 is: 24,623,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,831.70 : 32,276,747.55 = 16,415,998.10 : x
  2. Step 2: Convert to fraction form
    21,517,831.70/32,276,747.55 = 16,415,998.10/x
  3. Step 3: Cross multiply
    21,517,831.70x = 32,276,747.55 × 16,415,998.10
  4. Step 4: Simplify right side
    21,517,831.70x = 529,855,026,454,979.62
  5. Step 5: Solve for x
    x = 529,855,026,454,979.62/21,517,831.70
  6. Step 6: Final answer
    x = 24,623,997.15

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Double scale
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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.