Home / 8,348,047.40-12,522,071.10-5,142,780.20

Finding the Fourth Proportional to 8,348,047.40, 12,522,071.10 and 5,142,780.20

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Solution

The fourth proportional to 8,348,047.40, 12,522,071.10 and 5,142,780.20 is: 7,714,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,047.40 : 12,522,071.10 = 5,142,780.20 : x
  2. Step 2: Convert to fraction form
    8,348,047.40/12,522,071.10 = 5,142,780.20/x
  3. Step 3: Cross multiply
    8,348,047.40x = 12,522,071.10 × 5,142,780.20
  4. Step 4: Simplify right side
    8,348,047.40x = 64,398,259,316,072.22
  5. Step 5: Solve for x
    x = 64,398,259,316,072.22/8,348,047.40
  6. Step 6: Final answer
    x = 7,714,170.30

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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.