Home / 28,587,454.56-42,882,816.51-8,115,572.88

Finding the Fourth Proportional to 28,587,454.56, 42,882,816.51 and 8,115,572.88

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Solution

The fourth proportional to 28,587,454.56, 42,882,816.51 and 8,115,572.88 is: 12,173,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587,454.56 : 42,882,816.51 = 8,115,572.88 : x
  2. Step 2: Convert to fraction form
    28,587,454.56/42,882,816.51 = 8,115,572.88/x
  3. Step 3: Cross multiply
    28,587,454.56x = 42,882,816.51 × 8,115,572.88
  4. Step 4: Simplify right side
    28,587,454.56x = 348,018,622,686,572.25
  5. Step 5: Solve for x
    x = 348,018,622,686,572.25/28,587,454.56
  6. Step 6: Final answer
    x = 12,173,823.38

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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.