Home / 15,459,469.25-21,342,350.18-11,919,534.36

Finding the Fourth Proportional to 15,459,469.25, 21,342,350.18 and 11,919,534.36

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Solution

The fourth proportional to 15,459,469.25, 21,342,350.18 and 11,919,534.36 is: 16,455,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,469.25 : 21,342,350.18 = 11,919,534.36 : x
  2. Step 2: Convert to fraction form
    15,459,469.25/21,342,350.18 = 11,919,534.36/x
  3. Step 3: Cross multiply
    15,459,469.25x = 21,342,350.18 × 11,919,534.36
  4. Step 4: Simplify right side
    15,459,469.25x = 254,390,876,323,461.03
  5. Step 5: Solve for x
    x = 254,390,876,323,461.03/15,459,469.25
  6. Step 6: Final answer
    x = 16,455,343.47

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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.