Home / 10,280,630.68-14,186,913.42-5,697,378.52

Finding the Fourth Proportional to 10,280,630.68, 14,186,913.42 and 5,697,378.52

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Solution

The fourth proportional to 10,280,630.68, 14,186,913.42 and 5,697,378.52 is: 7,862,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,630.68 : 14,186,913.42 = 5,697,378.52 : x
  2. Step 2: Convert to fraction form
    10,280,630.68/14,186,913.42 = 5,697,378.52/x
  3. Step 3: Cross multiply
    10,280,630.68x = 14,186,913.42 × 5,697,378.52
  4. Step 4: Simplify right side
    10,280,630.68x = 80,828,215,784,207.73
  5. Step 5: Solve for x
    x = 80,828,215,784,207.73/10,280,630.68
  6. Step 6: Final answer
    x = 7,862,184.56

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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.