Home / 14,791,278.40-20,411,572.60-8,264,961.48

Finding the Fourth Proportional to 14,791,278.40, 20,411,572.60 and 8,264,961.48

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Solution

The fourth proportional to 14,791,278.40, 20,411,572.60 and 8,264,961.48 is: 11,405,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791,278.40 : 20,411,572.60 = 8,264,961.48 : x
  2. Step 2: Convert to fraction form
    14,791,278.40/20,411,572.60 = 8,264,961.48/x
  3. Step 3: Cross multiply
    14,791,278.40x = 20,411,572.60 × 8,264,961.48
  4. Step 4: Simplify right side
    14,791,278.40x = 168,700,861,285,223.47
  5. Step 5: Solve for x
    x = 168,700,861,285,223.47/14,791,278.40
  6. Step 6: Final answer
    x = 11,405,428.03

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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.