Home / 13,029,374.29-17,980,557.71-7,228,156.22

Finding the Fourth Proportional to 13,029,374.29, 17,980,557.71 and 7,228,156.22

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Solution

The fourth proportional to 13,029,374.29, 17,980,557.71 and 7,228,156.22 is: 9,974,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,374.29 : 17,980,557.71 = 7,228,156.22 : x
  2. Step 2: Convert to fraction form
    13,029,374.29/17,980,557.71 = 7,228,156.22/x
  3. Step 3: Cross multiply
    13,029,374.29x = 17,980,557.71 × 7,228,156.22
  4. Step 4: Simplify right side
    13,029,374.29x = 129,966,279,924,561.88
  5. Step 5: Solve for x
    x = 129,966,279,924,561.88/13,029,374.29
  6. Step 6: Final answer
    x = 9,974,867.33

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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.