Home / 8,518,947.08-12,782,153.10-4,474,498.82

Finding the Fourth Proportional to 8,518,947.08, 12,782,153.10 and 4,474,498.82

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Solution

The fourth proportional to 8,518,947.08, 12,782,153.10 and 4,474,498.82 is: 6,713,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,947.08 : 12,782,153.10 = 4,474,498.82 : x
  2. Step 2: Convert to fraction form
    8,518,947.08/12,782,153.10 = 4,474,498.82/x
  3. Step 3: Cross multiply
    8,518,947.08x = 12,782,153.10 × 4,474,498.82
  4. Step 4: Simplify right side
    8,518,947.08x = 57,193,728,963,009.34
  5. Step 5: Solve for x
    x = 57,193,728,963,009.34/8,518,947.08
  6. Step 6: Final answer
    x = 6,713,708.68

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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.