Home / 8,920,139.13-12,309,792-4,845,758.13

Finding the Fourth Proportional to 8,920,139.13, 12,309,792 and 4,845,758.13

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Solution

The fourth proportional to 8,920,139.13, 12,309,792 and 4,845,758.13 is: 6,687,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,139.13 : 12,309,792 = 4,845,758.13 : x
  2. Step 2: Convert to fraction form
    8,920,139.13/12,309,792 = 4,845,758.13/x
  3. Step 3: Cross multiply
    8,920,139.13x = 12,309,792 × 4,845,758.13
  4. Step 4: Simplify right side
    8,920,139.13x = 59,650,274,662,608.96
  5. Step 5: Solve for x
    x = 59,650,274,662,608.96/8,920,139.13
  6. Step 6: Final answer
    x = 6,687,146.22

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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.