Home / 10,103,956.84-15,156,955.86-3,280,244.68

Finding the Fourth Proportional to 10,103,956.84, 15,156,955.86 and 3,280,244.68

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Solution

The fourth proportional to 10,103,956.84, 15,156,955.86 and 3,280,244.68 is: 4,920,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103,956.84 : 15,156,955.86 = 3,280,244.68 : x
  2. Step 2: Convert to fraction form
    10,103,956.84/15,156,955.86 = 3,280,244.68/x
  3. Step 3: Cross multiply
    10,103,956.84x = 15,156,955.86 × 3,280,244.68
  4. Step 4: Simplify right side
    10,103,956.84x = 49,718,523,824,759.83
  5. Step 5: Solve for x
    x = 49,718,523,824,759.83/10,103,956.84
  6. Step 6: Final answer
    x = 4,920,698.36

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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.