Home / 8,656,923.70-12,985,385.55-4,168,117.30

Finding the Fourth Proportional to 8,656,923.70, 12,985,385.55 and 4,168,117.30

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Solution

The fourth proportional to 8,656,923.70, 12,985,385.55 and 4,168,117.30 is: 6,252,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,923.70 : 12,985,385.55 = 4,168,117.30 : x
  2. Step 2: Convert to fraction form
    8,656,923.70/12,985,385.55 = 4,168,117.30/x
  3. Step 3: Cross multiply
    8,656,923.70x = 12,985,385.55 × 4,168,117.30
  4. Step 4: Simplify right side
    8,656,923.70x = 54,124,610,158,125.02
  5. Step 5: Solve for x
    x = 54,124,610,158,125.02/8,656,923.70
  6. Step 6: Final answer
    x = 6,252,175.95

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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.