Home / 14,387,837.79-19,854,625.32-7,861,691.28

Finding the Fourth Proportional to 14,387,837.79, 19,854,625.32 and 7,861,691.28

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Solution

The fourth proportional to 14,387,837.79, 19,854,625.32 and 7,861,691.28 is: 10,848,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,837.79 : 19,854,625.32 = 7,861,691.28 : x
  2. Step 2: Convert to fraction form
    14,387,837.79/19,854,625.32 = 7,861,691.28/x
  3. Step 3: Cross multiply
    14,387,837.79x = 19,854,625.32 × 7,861,691.28
  4. Step 4: Simplify right side
    14,387,837.79x = 156,090,934,745,911.22
  5. Step 5: Solve for x
    x = 156,090,934,745,911.22/14,387,837.79
  6. Step 6: Final answer
    x = 10,848,811.13

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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.