Home / 14,761,985.40-22,142,978.10-13,628,244.60

Finding the Fourth Proportional to 14,761,985.40, 22,142,978.10 and 13,628,244.60

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Solution

The fourth proportional to 14,761,985.40, 22,142,978.10 and 13,628,244.60 is: 20,442,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,985.40 : 22,142,978.10 = 13,628,244.60 : x
  2. Step 2: Convert to fraction form
    14,761,985.40/22,142,978.10 = 13,628,244.60/x
  3. Step 3: Cross multiply
    14,761,985.40x = 22,142,978.10 × 13,628,244.60
  4. Step 4: Simplify right side
    14,761,985.40x = 301,769,921,719,243.25
  5. Step 5: Solve for x
    x = 301,769,921,719,243.25/14,761,985.40
  6. Step 6: Final answer
    x = 20,442,366.90

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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.