Home / 7,911,941.04-11,867,786.64-2,520,545.40

Finding the Fourth Proportional to 7,911,941.04, 11,867,786.64 and 2,520,545.40

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Solution

The fourth proportional to 7,911,941.04, 11,867,786.64 and 2,520,545.40 is: 3,780,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,941.04 : 11,867,786.64 = 2,520,545.40 : x
  2. Step 2: Convert to fraction form
    7,911,941.04/11,867,786.64 = 2,520,545.40/x
  3. Step 3: Cross multiply
    7,911,941.04x = 11,867,786.64 × 2,520,545.40
  4. Step 4: Simplify right side
    7,911,941.04x = 29,913,295,023,633.46
  5. Step 5: Solve for x
    x = 29,913,295,023,633.46/7,911,941.04
  6. Step 6: Final answer
    x = 3,780,778.30

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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.