Home / 8,600,874.52-12,898,237.78-2,842,542.40

Finding the Fourth Proportional to 8,600,874.52, 12,898,237.78 and 2,842,542.40

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Solution

The fourth proportional to 8,600,874.52, 12,898,237.78 and 2,842,542.40 is: 4,262,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,874.52 : 12,898,237.78 = 2,842,542.40 : x
  2. Step 2: Convert to fraction form
    8,600,874.52/12,898,237.78 = 2,842,542.40/x
  3. Step 3: Cross multiply
    8,600,874.52x = 12,898,237.78 × 2,842,542.40
  4. Step 4: Simplify right side
    8,600,874.52x = 36,663,787,774,931.87
  5. Step 5: Solve for x
    x = 36,663,787,774,931.87/8,600,874.52
  6. Step 6: Final answer
    x = 4,262,797.66

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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.