Home / 13,142,793.60-19,714,190.40-9,316,418.40

Finding the Fourth Proportional to 13,142,793.60, 19,714,190.40 and 9,316,418.40

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Solution

The fourth proportional to 13,142,793.60, 19,714,190.40 and 9,316,418.40 is: 13,974,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,793.60 : 19,714,190.40 = 9,316,418.40 : x
  2. Step 2: Convert to fraction form
    13,142,793.60/19,714,190.40 = 9,316,418.40/x
  3. Step 3: Cross multiply
    13,142,793.60x = 19,714,190.40 × 9,316,418.40
  4. Step 4: Simplify right side
    13,142,793.60x = 183,665,646,183,663.34
  5. Step 5: Solve for x
    x = 183,665,646,183,663.34/13,142,793.60
  6. Step 6: Final answer
    x = 13,974,627.60

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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.