Home / 8,371,065.72-12,550,211.85-3,818,931.02

Finding the Fourth Proportional to 8,371,065.72, 12,550,211.85 and 3,818,931.02

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Solution

The fourth proportional to 8,371,065.72, 12,550,211.85 and 3,818,931.02 is: 5,725,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,065.72 : 12,550,211.85 = 3,818,931.02 : x
  2. Step 2: Convert to fraction form
    8,371,065.72/12,550,211.85 = 3,818,931.02/x
  3. Step 3: Cross multiply
    8,371,065.72x = 12,550,211.85 × 3,818,931.02
  4. Step 4: Simplify right side
    8,371,065.72x = 47,928,393,278,785.53
  5. Step 5: Solve for x
    x = 47,928,393,278,785.53/8,371,065.72
  6. Step 6: Final answer
    x = 5,725,482.86

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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.