Home / 35,416,443.84-48,878,169.12-20,731,225.92

Finding the Fourth Proportional to 35,416,443.84, 48,878,169.12 and 20,731,225.92

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Solution

The fourth proportional to 35,416,443.84, 48,878,169.12 and 20,731,225.92 is: 28,611,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,416,443.84 : 48,878,169.12 = 20,731,225.92 : x
  2. Step 2: Convert to fraction form
    35,416,443.84/48,878,169.12 = 20,731,225.92/x
  3. Step 3: Cross multiply
    35,416,443.84x = 48,878,169.12 × 20,731,225.92
  4. Step 4: Simplify right side
    35,416,443.84x = 1,013,304,366,582,687.62
  5. Step 5: Solve for x
    x = 1,013,304,366,582,687.62/35,416,443.84
  6. Step 6: Final answer
    x = 28,611,126.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.