Home / 15,289,565.28-21,099,603.24-8,414,047.41

Finding the Fourth Proportional to 15,289,565.28, 21,099,603.24 and 8,414,047.41

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Solution

The fourth proportional to 15,289,565.28, 21,099,603.24 and 8,414,047.41 is: 11,611,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,565.28 : 21,099,603.24 = 8,414,047.41 : x
  2. Step 2: Convert to fraction form
    15,289,565.28/21,099,603.24 = 8,414,047.41/x
  3. Step 3: Cross multiply
    15,289,565.28x = 21,099,603.24 × 8,414,047.41
  4. Step 4: Simplify right side
    15,289,565.28x = 177,533,061,993,549.59
  5. Step 5: Solve for x
    x = 177,533,061,993,549.59/15,289,565.28
  6. Step 6: Final answer
    x = 11,611,387.16

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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.