Home / 13,851,030.30-20,776,545.45-12,843,260.70

Finding the Fourth Proportional to 13,851,030.30, 20,776,545.45 and 12,843,260.70

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Solution

The fourth proportional to 13,851,030.30, 20,776,545.45 and 12,843,260.70 is: 19,264,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,030.30 : 20,776,545.45 = 12,843,260.70 : x
  2. Step 2: Convert to fraction form
    13,851,030.30/20,776,545.45 = 12,843,260.70/x
  3. Step 3: Cross multiply
    13,851,030.30x = 20,776,545.45 × 12,843,260.70
  4. Step 4: Simplify right side
    13,851,030.30x = 266,838,589,659,748.78
  5. Step 5: Solve for x
    x = 266,838,589,659,748.78/13,851,030.30
  6. Step 6: Final answer
    x = 19,264,891.05

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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.