Home / 8,920,135.13-12,309,786.47-4,845,754.13

Finding the Fourth Proportional to 8,920,135.13, 12,309,786.47 and 4,845,754.13

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Solution

The fourth proportional to 8,920,135.13, 12,309,786.47 and 4,845,754.13 is: 6,687,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,135.13 : 12,309,786.47 = 4,845,754.13 : x
  2. Step 2: Convert to fraction form
    8,920,135.13/12,309,786.47 = 4,845,754.13/x
  3. Step 3: Cross multiply
    8,920,135.13x = 12,309,786.47 × 4,845,754.13
  4. Step 4: Simplify right side
    8,920,135.13x = 59,650,198,576,986.08
  5. Step 5: Solve for x
    x = 59,650,198,576,986.08/8,920,135.13
  6. Step 6: Final answer
    x = 6,687,140.69

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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.