Home / 8,591,954.60-12,887,931.90-7,422,784.40

Finding the Fourth Proportional to 8,591,954.60, 12,887,931.90 and 7,422,784.40

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Solution

The fourth proportional to 8,591,954.60, 12,887,931.90 and 7,422,784.40 is: 11,134,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,954.60 : 12,887,931.90 = 7,422,784.40 : x
  2. Step 2: Convert to fraction form
    8,591,954.60/12,887,931.90 = 7,422,784.40/x
  3. Step 3: Cross multiply
    8,591,954.60x = 12,887,931.90 × 7,422,784.40
  4. Step 4: Simplify right side
    8,591,954.60x = 95,664,339,855,582.38
  5. Step 5: Solve for x
    x = 95,664,339,855,582.38/8,591,954.60
  6. Step 6: Final answer
    x = 11,134,176.60

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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.