Home / 28,387,047.52-39,174,160.36-15,334,306.62

Finding the Fourth Proportional to 28,387,047.52, 39,174,160.36 and 15,334,306.62

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Solution

The fourth proportional to 28,387,047.52, 39,174,160.36 and 15,334,306.62 is: 21,161,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,047.52 : 39,174,160.36 = 15,334,306.62 : x
  2. Step 2: Convert to fraction form
    28,387,047.52/39,174,160.36 = 15,334,306.62/x
  3. Step 3: Cross multiply
    28,387,047.52x = 39,174,160.36 × 15,334,306.62
  4. Step 4: Simplify right side
    28,387,047.52x = 600,708,586,502,953.75
  5. Step 5: Solve for x
    x = 600,708,586,502,953.75/28,387,047.52
  6. Step 6: Final answer
    x = 21,161,361.93

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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.