Home / 15,194,009.98-20,966,937.51-8,317,174.78

Finding the Fourth Proportional to 15,194,009.98, 20,966,937.51 and 8,317,174.78

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Solution

The fourth proportional to 15,194,009.98, 20,966,937.51 and 8,317,174.78 is: 11,477,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,009.98 : 20,966,937.51 = 8,317,174.78 : x
  2. Step 2: Convert to fraction form
    15,194,009.98/20,966,937.51 = 8,317,174.78/x
  3. Step 3: Cross multiply
    15,194,009.98x = 20,966,937.51 × 8,317,174.78
  4. Step 4: Simplify right side
    15,194,009.98x = 174,385,683,872,008.03
  5. Step 5: Solve for x
    x = 174,385,683,872,008.03/15,194,009.98
  6. Step 6: Final answer
    x = 11,477,265.32

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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.