Home / 7,110,867.78-9,812,966.04-3,847,740.30

Finding the Fourth Proportional to 7,110,867.78, 9,812,966.04 and 3,847,740.30

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Solution

The fourth proportional to 7,110,867.78, 9,812,966.04 and 3,847,740.30 is: 5,309,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,867.78 : 9,812,966.04 = 3,847,740.30 : x
  2. Step 2: Convert to fraction form
    7,110,867.78/9,812,966.04 = 3,847,740.30/x
  3. Step 3: Cross multiply
    7,110,867.78x = 9,812,966.04 × 3,847,740.30
  4. Step 4: Simplify right side
    7,110,867.78x = 37,757,744,894,639.41
  5. Step 5: Solve for x
    x = 37,757,744,894,639.41/7,110,867.78
  6. Step 6: Final answer
    x = 5,309,864.57

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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.