Home / 18,477,810.73-25,499,543.92-10,218,428.65

Finding the Fourth Proportional to 18,477,810.73, 25,499,543.92 and 10,218,428.65

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Solution

The fourth proportional to 18,477,810.73, 25,499,543.92 and 10,218,428.65 is: 14,101,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,810.73 : 25,499,543.92 = 10,218,428.65 : x
  2. Step 2: Convert to fraction form
    18,477,810.73/25,499,543.92 = 10,218,428.65/x
  3. Step 3: Cross multiply
    18,477,810.73x = 25,499,543.92 × 10,218,428.65
  4. Step 4: Simplify right side
    18,477,810.73x = 260,565,270,102,969.16
  5. Step 5: Solve for x
    x = 260,565,270,102,969.16/18,477,810.73
  6. Step 6: Final answer
    x = 14,101,522.84

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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.