Home / 10,615,072.20-15,898,988.70-8,725,504.20

Finding the Fourth Proportional to 10,615,072.20, 15,898,988.70 and 8,725,504.20

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Solution

The fourth proportional to 10,615,072.20, 15,898,988.70 and 8,725,504.20 is: 13,068,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,072.20 : 15,898,988.70 = 8,725,504.20 : x
  2. Step 2: Convert to fraction form
    10,615,072.20/15,898,988.70 = 8,725,504.20/x
  3. Step 3: Cross multiply
    10,615,072.20x = 15,898,988.70 × 8,725,504.20
  4. Step 4: Simplify right side
    10,615,072.20x = 138,726,692,677,602.52
  5. Step 5: Solve for x
    x = 138,726,692,677,602.52/10,615,072.20
  6. Step 6: Final answer
    x = 13,068,841.18

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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.