Home / 8,085,117.60-12,127,676.40-7,287,956.10

Finding the Fourth Proportional to 8,085,117.60, 12,127,676.40 and 7,287,956.10

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Solution

The fourth proportional to 8,085,117.60, 12,127,676.40 and 7,287,956.10 is: 10,931,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,117.60 : 12,127,676.40 = 7,287,956.10 : x
  2. Step 2: Convert to fraction form
    8,085,117.60/12,127,676.40 = 7,287,956.10/x
  3. Step 3: Cross multiply
    8,085,117.60x = 12,127,676.40 × 7,287,956.10
  4. Step 4: Simplify right side
    8,085,117.60x = 88,385,973,198,206.03
  5. Step 5: Solve for x
    x = 88,385,973,198,206.03/8,085,117.60
  6. Step 6: Final answer
    x = 10,931,934.15

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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.