Home / 12,791,147.40-19,196,670.66-8,927,872.44

Finding the Fourth Proportional to 12,791,147.40, 19,196,670.66 and 8,927,872.44

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Solution

The fourth proportional to 12,791,147.40, 19,196,670.66 and 8,927,872.44 is: 13,398,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,147.40 : 19,196,670.66 = 8,927,872.44 : x
  2. Step 2: Convert to fraction form
    12,791,147.40/19,196,670.66 = 8,927,872.44/x
  3. Step 3: Cross multiply
    12,791,147.40x = 19,196,670.66 × 8,927,872.44
  4. Step 4: Simplify right side
    12,791,147.40x = 171,385,426,925,170.59
  5. Step 5: Solve for x
    x = 171,385,426,925,170.59/12,791,147.40
  6. Step 6: Final answer
    x = 13,398,753.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.