Home / 15,493,248.18-21,386,438.28-13,309,025.67

Finding the Fourth Proportional to 15,493,248.18, 21,386,438.28 and 13,309,025.67

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Solution

The fourth proportional to 15,493,248.18, 21,386,438.28 and 13,309,025.67 is: 18,371,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493,248.18 : 21,386,438.28 = 13,309,025.67 : x
  2. Step 2: Convert to fraction form
    15,493,248.18/21,386,438.28 = 13,309,025.67/x
  3. Step 3: Cross multiply
    15,493,248.18x = 21,386,438.28 × 13,309,025.67
  4. Step 4: Simplify right side
    15,493,248.18x = 284,632,656,058,390.69
  5. Step 5: Solve for x
    x = 284,632,656,058,390.69/15,493,248.18
  6. Step 6: Final answer
    x = 18,371,399.77

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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.