Home / 11,423,631.80-17,126,475.89-7,818,468.87

Finding the Fourth Proportional to 11,423,631.80, 17,126,475.89 and 7,818,468.87

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Solution

The fourth proportional to 11,423,631.80, 17,126,475.89 and 7,818,468.87 is: 11,721,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423,631.80 : 17,126,475.89 = 7,818,468.87 : x
  2. Step 2: Convert to fraction form
    11,423,631.80/17,126,475.89 = 7,818,468.87/x
  3. Step 3: Cross multiply
    11,423,631.80x = 17,126,475.89 × 7,818,468.87
  4. Step 4: Simplify right side
    11,423,631.80x = 133,902,818,559,678.22
  5. Step 5: Solve for x
    x = 133,902,818,559,678.22/11,423,631.80
  6. Step 6: Final answer
    x = 11,721,562.89

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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.