Home / 8,690,659.20-13,049,985.60-6,563,145.60

Finding the Fourth Proportional to 8,690,659.20, 13,049,985.60 and 6,563,145.60

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Solution

The fourth proportional to 8,690,659.20, 13,049,985.60 and 6,563,145.60 is: 9,855,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,659.20 : 13,049,985.60 = 6,563,145.60 : x
  2. Step 2: Convert to fraction form
    8,690,659.20/13,049,985.60 = 6,563,145.60/x
  3. Step 3: Cross multiply
    8,690,659.20x = 13,049,985.60 × 6,563,145.60
  4. Step 4: Simplify right side
    8,690,659.20x = 85,648,955,570,703.36
  5. Step 5: Solve for x
    x = 85,648,955,570,703.36/8,690,659.20
  6. Step 6: Final answer
    x = 9,855,288.72

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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.