Home / 15,284,574.56-21,092,712.18-8,408,909

Finding the Fourth Proportional to 15,284,574.56, 21,092,712.18 and 8,408,909

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Solution

The fourth proportional to 15,284,574.56, 21,092,712.18 and 8,408,909 is: 11,604,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,574.56 : 21,092,712.18 = 8,408,909 : x
  2. Step 2: Convert to fraction form
    15,284,574.56/21,092,712.18 = 8,408,909/x
  3. Step 3: Cross multiply
    15,284,574.56x = 21,092,712.18 × 8,408,909
  4. Step 4: Simplify right side
    15,284,574.56x = 177,366,697,284,811.62
  5. Step 5: Solve for x
    x = 177,366,697,284,811.62/15,284,574.56
  6. Step 6: Final answer
    x = 11,604,294.03

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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.