Home / 8,315,143.80-12,470,123.70-3,268,001.40

Finding the Fourth Proportional to 8,315,143.80, 12,470,123.70 and 3,268,001.40

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Solution

The fourth proportional to 8,315,143.80, 12,470,123.70 and 3,268,001.40 is: 4,900,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,143.80 : 12,470,123.70 = 3,268,001.40 : x
  2. Step 2: Convert to fraction form
    8,315,143.80/12,470,123.70 = 3,268,001.40/x
  3. Step 3: Cross multiply
    8,315,143.80x = 12,470,123.70 × 3,268,001.40
  4. Step 4: Simplify right side
    8,315,143.80x = 40,752,381,709,773.18
  5. Step 5: Solve for x
    x = 40,752,381,709,773.18/8,315,143.80
  6. Step 6: Final answer
    x = 4,900,983.40

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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.