Home / 38,688,127.14-53,389,614.87-21,284,098.86

Finding the Fourth Proportional to 38,688,127.14, 53,389,614.87 and 21,284,098.86

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Solution

The fourth proportional to 38,688,127.14, 53,389,614.87 and 21,284,098.86 is: 29,372,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688,127.14 : 53,389,614.87 = 21,284,098.86 : x
  2. Step 2: Convert to fraction form
    38,688,127.14/53,389,614.87 = 21,284,098.86/x
  3. Step 3: Cross multiply
    38,688,127.14x = 53,389,614.87 × 21,284,098.86
  4. Step 4: Simplify right side
    38,688,127.14x = 1,136,349,840,990,406
  5. Step 5: Solve for x
    x = 1,136,349,840,990,406/38,688,127.14
  6. Step 6: Final answer
    x = 29,372,056.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.