Home / 13,930,829.60-19,223,490.84-7,818,077.12

Finding the Fourth Proportional to 13,930,829.60, 19,223,490.84 and 7,818,077.12

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Solution

The fourth proportional to 13,930,829.60, 19,223,490.84 and 7,818,077.12 is: 10,788,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,829.60 : 19,223,490.84 = 7,818,077.12 : x
  2. Step 2: Convert to fraction form
    13,930,829.60/19,223,490.84 = 7,818,077.12/x
  3. Step 3: Cross multiply
    13,930,829.60x = 19,223,490.84 × 7,818,077.12
  4. Step 4: Simplify right side
    13,930,829.60x = 150,290,733,902,733.59
  5. Step 5: Solve for x
    x = 150,290,733,902,733.59/13,930,829.60
  6. Step 6: Final answer
    x = 10,788,354.91

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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.