Home / 8,748,051.30-13,122,076.95-7,685,169.30

Finding the Fourth Proportional to 8,748,051.30, 13,122,076.95 and 7,685,169.30

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Solution

The fourth proportional to 8,748,051.30, 13,122,076.95 and 7,685,169.30 is: 11,527,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,051.30 : 13,122,076.95 = 7,685,169.30 : x
  2. Step 2: Convert to fraction form
    8,748,051.30/13,122,076.95 = 7,685,169.30/x
  3. Step 3: Cross multiply
    8,748,051.30x = 13,122,076.95 × 7,685,169.30
  4. Step 4: Simplify right side
    8,748,051.30x = 100,845,382,928,377.62
  5. Step 5: Solve for x
    x = 100,845,382,928,377.62/8,748,051.30
  6. Step 6: Final answer
    x = 11,527,753.95

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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.