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Finding the Fourth Proportional to 22,884,835.03, 31,589,359.39 and 15,152,368.48

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Solution

The fourth proportional to 22,884,835.03, 31,589,359.39 and 15,152,368.48 is: 20,915,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,884,835.03 : 31,589,359.39 = 15,152,368.48 : x
  2. Step 2: Convert to fraction form
    22,884,835.03/31,589,359.39 = 15,152,368.48/x
  3. Step 3: Cross multiply
    22,884,835.03x = 31,589,359.39 × 15,152,368.48
  4. Step 4: Simplify right side
    22,884,835.03x = 478,653,613,464,395.06
  5. Step 5: Solve for x
    x = 478,653,613,464,395.06/22,884,835.03
  6. Step 6: Final answer
    x = 20,915,755.47

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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.