Home / 18,020,811.12-24,870,502.68-10,287,015.12

Finding the Fourth Proportional to 18,020,811.12, 24,870,502.68 and 10,287,015.12

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Solution

The fourth proportional to 18,020,811.12, 24,870,502.68 and 10,287,015.12 is: 14,197,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,811.12 : 24,870,502.68 = 10,287,015.12 : x
  2. Step 2: Convert to fraction form
    18,020,811.12/24,870,502.68 = 10,287,015.12/x
  3. Step 3: Cross multiply
    18,020,811.12x = 24,870,502.68 × 10,287,015.12
  4. Step 4: Simplify right side
    18,020,811.12x = 255,843,237,111,160.50
  5. Step 5: Solve for x
    x = 255,843,237,111,160.50/18,020,811.12
  6. Step 6: Final answer
    x = 14,197,098.87

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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.