Home / 7,418,520.30-11,127,780.45-6,898,889.10

Finding the Fourth Proportional to 7,418,520.30, 11,127,780.45 and 6,898,889.10

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Solution

The fourth proportional to 7,418,520.30, 11,127,780.45 and 6,898,889.10 is: 10,348,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,520.30 : 11,127,780.45 = 6,898,889.10 : x
  2. Step 2: Convert to fraction form
    7,418,520.30/11,127,780.45 = 6,898,889.10/x
  3. Step 3: Cross multiply
    7,418,520.30x = 11,127,780.45 × 6,898,889.10
  4. Step 4: Simplify right side
    7,418,520.30x = 76,769,323,253,698.08
  5. Step 5: Solve for x
    x = 76,769,323,253,698.08/7,418,520.30
  6. Step 6: Final answer
    x = 10,348,333.65

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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.