Home / 9,418,902.98-12,997,197.72-5,288,127.35

Finding the Fourth Proportional to 9,418,902.98, 12,997,197.72 and 5,288,127.35

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Solution

The fourth proportional to 9,418,902.98, 12,997,197.72 and 5,288,127.35 is: 7,297,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,902.98 : 12,997,197.72 = 5,288,127.35 : x
  2. Step 2: Convert to fraction form
    9,418,902.98/12,997,197.72 = 5,288,127.35/x
  3. Step 3: Cross multiply
    9,418,902.98x = 12,997,197.72 × 5,288,127.35
  4. Step 4: Simplify right side
    9,418,902.98x = 68,730,836,671,503.66
  5. Step 5: Solve for x
    x = 68,730,836,671,503.66/9,418,902.98
  6. Step 6: Final answer
    x = 7,297,116.96

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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.