Home / 12,109,923.23-16,698,118.28-9,897,923.12

Finding the Fourth Proportional to 12,109,923.23, 16,698,118.28 and 9,897,923.12

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Solution

The fourth proportional to 12,109,923.23, 16,698,118.28 and 9,897,923.12 is: 13,648,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,923.23 : 16,698,118.28 = 9,897,923.12 : x
  2. Step 2: Convert to fraction form
    12,109,923.23/16,698,118.28 = 9,897,923.12/x
  3. Step 3: Cross multiply
    12,109,923.23x = 16,698,118.28 × 9,897,923.12
  4. Step 4: Simplify right side
    12,109,923.23x = 165,276,690,851,126.44
  5. Step 5: Solve for x
    x = 165,276,690,851,126.44/12,109,923.23
  6. Step 6: Final answer
    x = 13,648,037.88

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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.