Home / 7,992,000.90-11,988,001.35-7,259,793.30

Finding the Fourth Proportional to 7,992,000.90, 11,988,001.35 and 7,259,793.30

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Solution

The fourth proportional to 7,992,000.90, 11,988,001.35 and 7,259,793.30 is: 10,889,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,000.90 : 11,988,001.35 = 7,259,793.30 : x
  2. Step 2: Convert to fraction form
    7,992,000.90/11,988,001.35 = 7,259,793.30/x
  3. Step 3: Cross multiply
    7,992,000.90x = 11,988,001.35 × 7,259,793.30
  4. Step 4: Simplify right side
    7,992,000.90x = 87,030,411,881,120.95
  5. Step 5: Solve for x
    x = 87,030,411,881,120.95/7,992,000.90
  6. Step 6: Final answer
    x = 10,889,689.95

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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.