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Finding the Fourth Proportional to 14,652,033.80, 21,978,050.70 and 10,117,070.60

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Solution

The fourth proportional to 14,652,033.80, 21,978,050.70 and 10,117,070.60 is: 15,175,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,033.80 : 21,978,050.70 = 10,117,070.60 : x
  2. Step 2: Convert to fraction form
    14,652,033.80/21,978,050.70 = 10,117,070.60/x
  3. Step 3: Cross multiply
    14,652,033.80x = 21,978,050.70 × 10,117,070.60
  4. Step 4: Simplify right side
    14,652,033.80x = 222,353,490,582,279.41
  5. Step 5: Solve for x
    x = 222,353,490,582,279.41/14,652,033.80
  6. Step 6: Final answer
    x = 15,175,605.90

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Similar ratio
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1.5x scale

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.