Home / 12,988,846.26-17,924,339.61-7,187,624.10

Finding the Fourth Proportional to 12,988,846.26, 17,924,339.61 and 7,187,624.10

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Solution

The fourth proportional to 12,988,846.26, 17,924,339.61 and 7,187,624.10 is: 9,918,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,846.26 : 17,924,339.61 = 7,187,624.10 : x
  2. Step 2: Convert to fraction form
    12,988,846.26/17,924,339.61 = 7,187,624.10/x
  3. Step 3: Cross multiply
    12,988,846.26x = 17,924,339.61 × 7,187,624.10
  4. Step 4: Simplify right side
    12,988,846.26x = 128,833,415,357,420.59
  5. Step 5: Solve for x
    x = 128,833,415,357,420.59/12,988,846.26
  6. Step 6: Final answer
    x = 9,918,772.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.