Home / 7,971,333.60-11,957,000.40-7,900,474.80

Finding the Fourth Proportional to 7,971,333.60, 11,957,000.40 and 7,900,474.80

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Solution

The fourth proportional to 7,971,333.60, 11,957,000.40 and 7,900,474.80 is: 11,850,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,333.60 : 11,957,000.40 = 7,900,474.80 : x
  2. Step 2: Convert to fraction form
    7,971,333.60/11,957,000.40 = 7,900,474.80/x
  3. Step 3: Cross multiply
    7,971,333.60x = 11,957,000.40 × 7,900,474.80
  4. Step 4: Simplify right side
    7,971,333.60x = 94,465,980,343,789.92
  5. Step 5: Solve for x
    x = 94,465,980,343,789.92/7,971,333.60
  6. Step 6: Final answer
    x = 11,850,712.20

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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.