Home / 11,423,618.70-17,126,456.88-7,818,455.74

Finding the Fourth Proportional to 11,423,618.70, 17,126,456.88 and 7,818,455.74

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Solution

The fourth proportional to 11,423,618.70, 17,126,456.88 and 7,818,455.74 is: 11,721,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423,618.70 : 17,126,456.88 = 7,818,455.74 : x
  2. Step 2: Convert to fraction form
    11,423,618.70/17,126,456.88 = 7,818,455.74/x
  3. Step 3: Cross multiply
    11,423,618.70x = 17,126,456.88 × 7,818,455.74
  4. Step 4: Simplify right side
    11,423,618.70x = 133,902,445,099,298.48
  5. Step 5: Solve for x
    x = 133,902,445,099,298.48/11,423,618.70
  6. Step 6: Final answer
    x = 11,721,543.64

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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.