Home / 10,791,488.80-16,187,233.20-2,813,312.80

Finding the Fourth Proportional to 10,791,488.80, 16,187,233.20 and 2,813,312.80

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Solution

The fourth proportional to 10,791,488.80, 16,187,233.20 and 2,813,312.80 is: 4,219,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,488.80 : 16,187,233.20 = 2,813,312.80 : x
  2. Step 2: Convert to fraction form
    10,791,488.80/16,187,233.20 = 2,813,312.80/x
  3. Step 3: Cross multiply
    10,791,488.80x = 16,187,233.20 × 2,813,312.80
  4. Step 4: Simplify right side
    10,791,488.80x = 45,539,750,358,144.95
  5. Step 5: Solve for x
    x = 45,539,750,358,144.95/10,791,488.80
  6. Step 6: Final answer
    x = 4,219,969.20

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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.