Home / 38,128,614.13-52,617,861.48-20,724,948.61

Finding the Fourth Proportional to 38,128,614.13, 52,617,861.48 and 20,724,948.61

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Solution

The fourth proportional to 38,128,614.13, 52,617,861.48 and 20,724,948.61 is: 28,600,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,614.13 : 52,617,861.48 = 20,724,948.61 : x
  2. Step 2: Convert to fraction form
    38,128,614.13/52,617,861.48 = 20,724,948.61/x
  3. Step 3: Cross multiply
    38,128,614.13x = 52,617,861.48 × 20,724,948.61
  4. Step 4: Simplify right side
    38,128,614.13x = 1,090,502,475,266,596.88
  5. Step 5: Solve for x
    x = 1,090,502,475,266,596.88/38,128,614.13
  6. Step 6: Final answer
    x = 28,600,632.36

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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.