Home / 8,369,211.20-12,553,816.80-2,690,009.60

Finding the Fourth Proportional to 8,369,211.20, 12,553,816.80 and 2,690,009.60

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Solution

The fourth proportional to 8,369,211.20, 12,553,816.80 and 2,690,009.60 is: 4,035,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369,211.20 : 12,553,816.80 = 2,690,009.60 : x
  2. Step 2: Convert to fraction form
    8,369,211.20/12,553,816.80 = 2,690,009.60/x
  3. Step 3: Cross multiply
    8,369,211.20x = 12,553,816.80 × 2,690,009.60
  4. Step 4: Simplify right side
    8,369,211.20x = 33,769,887,708,641.28
  5. Step 5: Solve for x
    x = 33,769,887,708,641.28/8,369,211.20
  6. Step 6: Final answer
    x = 4,035,014.40

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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.