Home / 8,697,589.92-12,002,834.34-4,830,471.72

Finding the Fourth Proportional to 8,697,589.92, 12,002,834.34 and 4,830,471.72

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Solution

The fourth proportional to 8,697,589.92, 12,002,834.34 and 4,830,471.72 is: 6,666,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,589.92 : 12,002,834.34 = 4,830,471.72 : x
  2. Step 2: Convert to fraction form
    8,697,589.92/12,002,834.34 = 4,830,471.72/x
  3. Step 3: Cross multiply
    8,697,589.92x = 12,002,834.34 × 4,830,471.72
  4. Step 4: Simplify right side
    8,697,589.92x = 57,979,351,839,214.86
  5. Step 5: Solve for x
    x = 57,979,351,839,214.86/8,697,589.92
  6. Step 6: Final answer
    x = 6,666,139.97

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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.