Home / 28,080,306.88-42,120,460.31-6,805,170.88

Finding the Fourth Proportional to 28,080,306.88, 42,120,460.31 and 6,805,170.88

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Solution

The fourth proportional to 28,080,306.88, 42,120,460.31 and 6,805,170.88 is: 10,207,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,306.88 : 42,120,460.31 = 6,805,170.88 : x
  2. Step 2: Convert to fraction form
    28,080,306.88/42,120,460.31 = 6,805,170.88/x
  3. Step 3: Cross multiply
    28,080,306.88x = 42,120,460.31 × 6,805,170.88
  4. Step 4: Simplify right side
    28,080,306.88x = 286,636,929,953,807.81
  5. Step 5: Solve for x
    x = 286,636,929,953,807.81/28,080,306.88
  6. Step 6: Final answer
    x = 10,207,756.32

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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.