Home / 28,013,176.74-42,016,608.12-7,544,394.52

Finding the Fourth Proportional to 28,013,176.74, 42,016,608.12 and 7,544,394.52

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Solution

The fourth proportional to 28,013,176.74, 42,016,608.12 and 7,544,394.52 is: 11,315,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013,176.74 : 42,016,608.12 = 7,544,394.52 : x
  2. Step 2: Convert to fraction form
    28,013,176.74/42,016,608.12 = 7,544,394.52/x
  3. Step 3: Cross multiply
    28,013,176.74x = 42,016,608.12 × 7,544,394.52
  4. Step 4: Simplify right side
    28,013,176.74x = 316,989,868,049,515.44
  5. Step 5: Solve for x
    x = 316,989,868,049,515.44/28,013,176.74
  6. Step 6: Final answer
    x = 11,315,741.55

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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.