Home / 13,088,016.40-19,632,024.60-7,419,312.40

Finding the Fourth Proportional to 13,088,016.40, 19,632,024.60 and 7,419,312.40

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Solution

The fourth proportional to 13,088,016.40, 19,632,024.60 and 7,419,312.40 is: 11,128,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088,016.40 : 19,632,024.60 = 7,419,312.40 : x
  2. Step 2: Convert to fraction form
    13,088,016.40/19,632,024.60 = 7,419,312.40/x
  3. Step 3: Cross multiply
    13,088,016.40x = 19,632,024.60 × 7,419,312.40
  4. Step 4: Simplify right side
    13,088,016.40x = 145,656,123,551,885.06
  5. Step 5: Solve for x
    x = 145,656,123,551,885.06/13,088,016.40
  6. Step 6: Final answer
    x = 11,128,968.60

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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.