Home / 8,510,889.60-12,774,628.80-4,255,862.40

Finding the Fourth Proportional to 8,510,889.60, 12,774,628.80 and 4,255,862.40

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Solution

The fourth proportional to 8,510,889.60, 12,774,628.80 and 4,255,862.40 is: 6,387,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,889.60 : 12,774,628.80 = 4,255,862.40 : x
  2. Step 2: Convert to fraction form
    8,510,889.60/12,774,628.80 = 4,255,862.40/x
  3. Step 3: Cross multiply
    8,510,889.60x = 12,774,628.80 × 4,255,862.40
  4. Step 4: Simplify right side
    8,510,889.60x = 54,367,062,383,877.12
  5. Step 5: Solve for x
    x = 54,367,062,383,877.12/8,510,889.60
  6. Step 6: Final answer
    x = 6,387,941.21

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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.