Home / 20,657,842.17-30,988,497.90-6,281,034.51

Finding the Fourth Proportional to 20,657,842.17, 30,988,497.90 and 6,281,034.51

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Solution

The fourth proportional to 20,657,842.17, 30,988,497.90 and 6,281,034.51 is: 9,422,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,842.17 : 30,988,497.90 = 6,281,034.51 : x
  2. Step 2: Convert to fraction form
    20,657,842.17/30,988,497.90 = 6,281,034.51/x
  3. Step 3: Cross multiply
    20,657,842.17x = 30,988,497.90 × 6,281,034.51
  4. Step 4: Simplify right side
    20,657,842.17x = 194,639,824,722,962.50
  5. Step 5: Solve for x
    x = 194,639,824,722,962.50/20,657,842.17
  6. Step 6: Final answer
    x = 9,422,079.19

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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.