Home / 11,988,007.40-17,982,011.10-7,201,101.80

Finding the Fourth Proportional to 11,988,007.40, 17,982,011.10 and 7,201,101.80

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Solution

The fourth proportional to 11,988,007.40, 17,982,011.10 and 7,201,101.80 is: 10,801,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,007.40 : 17,982,011.10 = 7,201,101.80 : x
  2. Step 2: Convert to fraction form
    11,988,007.40/17,982,011.10 = 7,201,101.80/x
  3. Step 3: Cross multiply
    11,988,007.40x = 17,982,011.10 × 7,201,101.80
  4. Step 4: Simplify right side
    11,988,007.40x = 129,490,292,499,829.98
  5. Step 5: Solve for x
    x = 129,490,292,499,829.98/11,988,007.40
  6. Step 6: Final answer
    x = 10,801,652.70

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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.