Home / 28,154,198.48-42,233,214.84-8,986,398.32

Finding the Fourth Proportional to 28,154,198.48, 42,233,214.84 and 8,986,398.32

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Solution

The fourth proportional to 28,154,198.48, 42,233,214.84 and 8,986,398.32 is: 13,480,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154,198.48 : 42,233,214.84 = 8,986,398.32 : x
  2. Step 2: Convert to fraction form
    28,154,198.48/42,233,214.84 = 8,986,398.32/x
  3. Step 3: Cross multiply
    28,154,198.48x = 42,233,214.84 × 8,986,398.32
  4. Step 4: Simplify right side
    28,154,198.48x = 379,524,490,886,375.12
  5. Step 5: Solve for x
    x = 379,524,490,886,375.12/28,154,198.48
  6. Step 6: Final answer
    x = 13,480,209.40

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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.