Home / 8,983,899.20-12,400,013.76-5,118,721.76

Finding the Fourth Proportional to 8,983,899.20, 12,400,013.76 and 5,118,721.76

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Solution

The fourth proportional to 8,983,899.20, 12,400,013.76 and 5,118,721.76 is: 7,065,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983,899.20 : 12,400,013.76 = 5,118,721.76 : x
  2. Step 2: Convert to fraction form
    8,983,899.20/12,400,013.76 = 5,118,721.76/x
  3. Step 3: Cross multiply
    8,983,899.20x = 12,400,013.76 × 5,118,721.76
  4. Step 4: Simplify right side
    8,983,899.20x = 63,472,220,257,611.41
  5. Step 5: Solve for x
    x = 63,472,220,257,611.41/8,983,899.20
  6. Step 6: Final answer
    x = 7,065,108.24

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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.