Home / 38,720,752.04-53,432,715.77-21,316,723.59

Finding the Fourth Proportional to 38,720,752.04, 53,432,715.77 and 21,316,723.59

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Solution

The fourth proportional to 38,720,752.04, 53,432,715.77 and 21,316,723.59 is: 29,416,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,752.04 : 53,432,715.77 = 21,316,723.59 : x
  2. Step 2: Convert to fraction form
    38,720,752.04/53,432,715.77 = 21,316,723.59/x
  3. Step 3: Cross multiply
    38,720,752.04x = 53,432,715.77 × 21,316,723.59
  4. Step 4: Simplify right side
    38,720,752.04x = 1,139,010,432,732,124
  5. Step 5: Solve for x
    x = 1,139,010,432,732,124/38,720,752.04
  6. Step 6: Final answer
    x = 29,416,020.42

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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.