Home / 13,462,511.30-20,193,766.95-8,087,740.10

Finding the Fourth Proportional to 13,462,511.30, 20,193,766.95 and 8,087,740.10

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Solution

The fourth proportional to 13,462,511.30, 20,193,766.95 and 8,087,740.10 is: 12,131,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,511.30 : 20,193,766.95 = 8,087,740.10 : x
  2. Step 2: Convert to fraction form
    13,462,511.30/20,193,766.95 = 8,087,740.10/x
  3. Step 3: Cross multiply
    13,462,511.30x = 20,193,766.95 × 8,087,740.10
  4. Step 4: Simplify right side
    13,462,511.30x = 163,321,938,731,569.69
  5. Step 5: Solve for x
    x = 163,321,938,731,569.69/13,462,511.30
  6. Step 6: Final answer
    x = 12,131,610.15

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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.