Home / 18,262,269.81-25,202,340.18-10,421,625.92

Finding the Fourth Proportional to 18,262,269.81, 25,202,340.18 and 10,421,625.92

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Solution

The fourth proportional to 18,262,269.81, 25,202,340.18 and 10,421,625.92 is: 14,382,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262,269.81 : 25,202,340.18 = 10,421,625.92 : x
  2. Step 2: Convert to fraction form
    18,262,269.81/25,202,340.18 = 10,421,625.92/x
  3. Step 3: Cross multiply
    18,262,269.81x = 25,202,340.18 × 10,421,625.92
  4. Step 4: Simplify right side
    18,262,269.81x = 262,649,361,664,545.47
  5. Step 5: Solve for x
    x = 262,649,361,664,545.47/18,262,269.81
  6. Step 6: Final answer
    x = 14,382,076.51

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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.