Home / 23,176,926.40-31,988,116.56-13,385,610.76

Finding the Fourth Proportional to 23,176,926.40, 31,988,116.56 and 13,385,610.76

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Solution

The fourth proportional to 23,176,926.40, 31,988,116.56 and 13,385,610.76 is: 18,474,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176,926.40 : 31,988,116.56 = 13,385,610.76 : x
  2. Step 2: Convert to fraction form
    23,176,926.40/31,988,116.56 = 13,385,610.76/x
  3. Step 3: Cross multiply
    23,176,926.40x = 31,988,116.56 × 13,385,610.76
  4. Step 4: Simplify right side
    23,176,926.40x = 428,180,477,217,670.19
  5. Step 5: Solve for x
    x = 428,180,477,217,670.19/23,176,926.40
  6. Step 6: Final answer
    x = 18,474,428.83

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1.5x scale

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.