Home / 15,088,990.69-20,823,310.12-8,474,744.74

Finding the Fourth Proportional to 15,088,990.69, 20,823,310.12 and 8,474,744.74

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Solution

The fourth proportional to 15,088,990.69, 20,823,310.12 and 8,474,744.74 is: 11,695,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,990.69 : 20,823,310.12 = 8,474,744.74 : x
  2. Step 2: Convert to fraction form
    15,088,990.69/20,823,310.12 = 8,474,744.74/x
  3. Step 3: Cross multiply
    15,088,990.69x = 20,823,310.12 × 8,474,744.74
  4. Step 4: Simplify right side
    15,088,990.69x = 176,472,237,762,368.47
  5. Step 5: Solve for x
    x = 176,472,237,762,368.47/15,088,990.69
  6. Step 6: Final answer
    x = 11,695,430.23

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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.