Home / 21,761,875.20-32,644,041.60-6,616,300.80

Finding the Fourth Proportional to 21,761,875.20, 32,644,041.60 and 6,616,300.80

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Solution

The fourth proportional to 21,761,875.20, 32,644,041.60 and 6,616,300.80 is: 9,924,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,875.20 : 32,644,041.60 = 6,616,300.80 : x
  2. Step 2: Convert to fraction form
    21,761,875.20/32,644,041.60 = 6,616,300.80/x
  3. Step 3: Cross multiply
    21,761,875.20x = 32,644,041.60 × 6,616,300.80
  4. Step 4: Simplify right side
    21,761,875.20x = 215,982,798,553,313.28
  5. Step 5: Solve for x
    x = 215,982,798,553,313.28/21,761,875.20
  6. Step 6: Final answer
    x = 9,924,824.79

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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.