Home / 8,916,228.52-12,304,187.13-5,245,381.45

Finding the Fourth Proportional to 8,916,228.52, 12,304,187.13 and 5,245,381.45

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Solution

The fourth proportional to 8,916,228.52, 12,304,187.13 and 5,245,381.45 is: 7,238,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,228.52 : 12,304,187.13 = 5,245,381.45 : x
  2. Step 2: Convert to fraction form
    8,916,228.52/12,304,187.13 = 5,245,381.45/x
  3. Step 3: Cross multiply
    8,916,228.52x = 12,304,187.13 × 5,245,381.45
  4. Step 4: Simplify right side
    8,916,228.52x = 64,540,154,929,030.74
  5. Step 5: Solve for x
    x = 64,540,154,929,030.74/8,916,228.52
  6. Step 6: Final answer
    x = 7,238,503.90

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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.