Home / 8,862,446.40-13,293,669.60-7,287,806.40

Finding the Fourth Proportional to 8,862,446.40, 13,293,669.60 and 7,287,806.40

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Solution

The fourth proportional to 8,862,446.40, 13,293,669.60 and 7,287,806.40 is: 10,931,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,446.40 : 13,293,669.60 = 7,287,806.40 : x
  2. Step 2: Convert to fraction form
    8,862,446.40/13,293,669.60 = 7,287,806.40/x
  3. Step 3: Cross multiply
    8,862,446.40x = 13,293,669.60 × 7,287,806.40
  4. Step 4: Simplify right side
    8,862,446.40x = 96,881,690,390,365.44
  5. Step 5: Solve for x
    x = 96,881,690,390,365.44/8,862,446.40
  6. Step 6: Final answer
    x = 10,931,709.60

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Similar ratio
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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.