Home / 10,260,042.60-15,382,287.90-5,214,973.80

Finding the Fourth Proportional to 10,260,042.60, 15,382,287.90 and 5,214,973.80

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Solution

The fourth proportional to 10,260,042.60, 15,382,287.90 and 5,214,973.80 is: 7,818,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260,042.60 : 15,382,287.90 = 5,214,973.80 : x
  2. Step 2: Convert to fraction form
    10,260,042.60/15,382,287.90 = 5,214,973.80/x
  3. Step 3: Cross multiply
    10,260,042.60x = 15,382,287.90 × 5,214,973.80
  4. Step 4: Simplify right side
    10,260,042.60x = 80,218,228,382,557.02
  5. Step 5: Solve for x
    x = 80,218,228,382,557.02/10,260,042.60
  6. Step 6: Final answer
    x = 7,818,508.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.