Home / 28,587,456.06-42,882,818.76-8,115,574.38

Finding the Fourth Proportional to 28,587,456.06, 42,882,818.76 and 8,115,574.38

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Solution

The fourth proportional to 28,587,456.06, 42,882,818.76 and 8,115,574.38 is: 12,173,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587,456.06 : 42,882,818.76 = 8,115,574.38 : x
  2. Step 2: Convert to fraction form
    28,587,456.06/42,882,818.76 = 8,115,574.38/x
  3. Step 3: Cross multiply
    28,587,456.06x = 42,882,818.76 × 8,115,574.38
  4. Step 4: Simplify right side
    28,587,456.06x = 348,018,705,270,839.38
  5. Step 5: Solve for x
    x = 348,018,705,270,839.38/28,587,456.06
  6. Step 6: Final answer
    x = 12,173,825.63

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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.