Home / 28,176,521.31-42,270,091.56-10,674,320.93

Finding the Fourth Proportional to 28,176,521.31, 42,270,091.56 and 10,674,320.93

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Solution

The fourth proportional to 28,176,521.31, 42,270,091.56 and 10,674,320.93 is: 16,013,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,521.31 : 42,270,091.56 = 10,674,320.93 : x
  2. Step 2: Convert to fraction form
    28,176,521.31/42,270,091.56 = 10,674,320.93/x
  3. Step 3: Cross multiply
    28,176,521.31x = 42,270,091.56 × 10,674,320.93
  4. Step 4: Simplify right side
    28,176,521.31x = 451,204,523,177,113.25
  5. Step 5: Solve for x
    x = 451,204,523,177,113.25/28,176,521.31
  6. Step 6: Final answer
    x = 16,013,492.87

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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.