Home / 7,142,972.20-10,714,458.30-4,156,988.20

Finding the Fourth Proportional to 7,142,972.20, 10,714,458.30 and 4,156,988.20

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Solution

The fourth proportional to 7,142,972.20, 10,714,458.30 and 4,156,988.20 is: 6,235,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,972.20 : 10,714,458.30 = 4,156,988.20 : x
  2. Step 2: Convert to fraction form
    7,142,972.20/10,714,458.30 = 4,156,988.20/x
  3. Step 3: Cross multiply
    7,142,972.20x = 10,714,458.30 × 4,156,988.20
  4. Step 4: Simplify right side
    7,142,972.20x = 44,539,876,722,492.06
  5. Step 5: Solve for x
    x = 44,539,876,722,492.06/7,142,972.20
  6. Step 6: Final answer
    x = 6,235,482.30

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Double scale
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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.