Home / 8,920,708.52-12,310,830.30-5,053,228.76

Finding the Fourth Proportional to 8,920,708.52, 12,310,830.30 and 5,053,228.76

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Solution

The fourth proportional to 8,920,708.52, 12,310,830.30 and 5,053,228.76 is: 6,973,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,708.52 : 12,310,830.30 = 5,053,228.76 : x
  2. Step 2: Convert to fraction form
    8,920,708.52/12,310,830.30 = 5,053,228.76/x
  3. Step 3: Cross multiply
    8,920,708.52x = 12,310,830.30 × 5,053,228.76
  4. Step 4: Simplify right side
    8,920,708.52x = 62,209,441,731,439.43
  5. Step 5: Solve for x
    x = 62,209,441,731,439.43/8,920,708.52
  6. Step 6: Final answer
    x = 6,973,598.74

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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.