Home / 15,788,277.12-23,639,835.12-10,309,800.78

Finding the Fourth Proportional to 15,788,277.12, 23,639,835.12 and 10,309,800.78

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Solution

The fourth proportional to 15,788,277.12, 23,639,835.12 and 10,309,800.78 is: 15,436,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,277.12 : 23,639,835.12 = 10,309,800.78 : x
  2. Step 2: Convert to fraction form
    15,788,277.12/23,639,835.12 = 10,309,800.78/x
  3. Step 3: Cross multiply
    15,788,277.12x = 23,639,835.12 × 10,309,800.78
  4. Step 4: Simplify right side
    15,788,277.12x = 243,721,990,559,247.38
  5. Step 5: Solve for x
    x = 243,721,990,559,247.38/15,788,277.12
  6. Step 6: Final answer
    x = 15,436,895.91

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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.