Home / 14,387,837.54-19,854,624.98-7,861,691.03

Finding the Fourth Proportional to 14,387,837.54, 19,854,624.98 and 7,861,691.03

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Solution

The fourth proportional to 14,387,837.54, 19,854,624.98 and 7,861,691.03 is: 10,848,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,837.54 : 19,854,624.98 = 7,861,691.03 : x
  2. Step 2: Convert to fraction form
    14,387,837.54/19,854,624.98 = 7,861,691.03/x
  3. Step 3: Cross multiply
    14,387,837.54x = 19,854,624.98 × 7,861,691.03
  4. Step 4: Simplify right side
    14,387,837.54x = 156,090,927,069,971.50
  5. Step 5: Solve for x
    x = 156,090,927,069,971.50/14,387,837.54
  6. Step 6: Final answer
    x = 10,848,810.78

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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.