Home / 12,671,144.80-17,486,548.62-7,164,401.35

Finding the Fourth Proportional to 12,671,144.80, 17,486,548.62 and 7,164,401.35

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Solution

The fourth proportional to 12,671,144.80, 17,486,548.62 and 7,164,401.35 is: 9,887,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,144.80 : 17,486,548.62 = 7,164,401.35 : x
  2. Step 2: Convert to fraction form
    12,671,144.80/17,486,548.62 = 7,164,401.35/x
  3. Step 3: Cross multiply
    12,671,144.80x = 17,486,548.62 × 7,164,401.35
  4. Step 4: Simplify right side
    12,671,144.80x = 125,280,652,539,968.64
  5. Step 5: Solve for x
    x = 125,280,652,539,968.64/12,671,144.80
  6. Step 6: Final answer
    x = 9,887,082.38

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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.