Home / 7,992,001.40-11,988,002.10-7,259,793.80

Finding the Fourth Proportional to 7,992,001.40, 11,988,002.10 and 7,259,793.80

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Solution

The fourth proportional to 7,992,001.40, 11,988,002.10 and 7,259,793.80 is: 10,889,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,001.40 : 11,988,002.10 = 7,259,793.80 : x
  2. Step 2: Convert to fraction form
    7,992,001.40/11,988,002.10 = 7,259,793.80/x
  3. Step 3: Cross multiply
    7,992,001.40x = 11,988,002.10 × 7,259,793.80
  4. Step 4: Simplify right side
    7,992,001.40x = 87,030,423,319,966.97
  5. Step 5: Solve for x
    x = 87,030,423,319,966.97/7,992,001.40
  6. Step 6: Final answer
    x = 10,889,690.70

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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.