Home / 13,188,038.20-19,782,057.30-9,954,777.40

Finding the Fourth Proportional to 13,188,038.20, 19,782,057.30 and 9,954,777.40

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Solution

The fourth proportional to 13,188,038.20, 19,782,057.30 and 9,954,777.40 is: 14,932,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,038.20 : 19,782,057.30 = 9,954,777.40 : x
  2. Step 2: Convert to fraction form
    13,188,038.20/19,782,057.30 = 9,954,777.40/x
  3. Step 3: Cross multiply
    13,188,038.20x = 19,782,057.30 × 9,954,777.40
  4. Step 4: Simplify right side
    13,188,038.20x = 196,925,976,935,545.03
  5. Step 5: Solve for x
    x = 196,925,976,935,545.03/13,188,038.20
  6. Step 6: Final answer
    x = 14,932,166.10

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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.