Home / 13,306,598.48-18,363,118.92-7,195,025.36

Finding the Fourth Proportional to 13,306,598.48, 18,363,118.92 and 7,195,025.36

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Solution

The fourth proportional to 13,306,598.48, 18,363,118.92 and 7,195,025.36 is: 9,929,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,598.48 : 18,363,118.92 = 7,195,025.36 : x
  2. Step 2: Convert to fraction form
    13,306,598.48/18,363,118.92 = 7,195,025.36/x
  3. Step 3: Cross multiply
    13,306,598.48x = 18,363,118.92 × 7,195,025.36
  4. Step 4: Simplify right side
    13,306,598.48x = 132,123,106,318,095.83
  5. Step 5: Solve for x
    x = 132,123,106,318,095.83/13,306,598.48
  6. Step 6: Final answer
    x = 9,929,142.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.