Home / 13,187,467.30-19,781,200.95-9,361,092.10

Finding the Fourth Proportional to 13,187,467.30, 19,781,200.95 and 9,361,092.10

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Solution

The fourth proportional to 13,187,467.30, 19,781,200.95 and 9,361,092.10 is: 14,041,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,467.30 : 19,781,200.95 = 9,361,092.10 : x
  2. Step 2: Convert to fraction form
    13,187,467.30/19,781,200.95 = 9,361,092.10/x
  3. Step 3: Cross multiply
    13,187,467.30x = 19,781,200.95 × 9,361,092.10
  4. Step 4: Simplify right side
    13,187,467.30x = 185,173,643,941,557.47
  5. Step 5: Solve for x
    x = 185,173,643,941,557.47/13,187,467.30
  6. Step 6: Final answer
    x = 14,041,638.15

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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.