Home / 8,085,530.60-12,128,295.90-4,042,642.40

Finding the Fourth Proportional to 8,085,530.60, 12,128,295.90 and 4,042,642.40

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Solution

The fourth proportional to 8,085,530.60, 12,128,295.90 and 4,042,642.40 is: 6,063,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,530.60 : 12,128,295.90 = 4,042,642.40 : x
  2. Step 2: Convert to fraction form
    8,085,530.60/12,128,295.90 = 4,042,642.40/x
  3. Step 3: Cross multiply
    8,085,530.60x = 12,128,295.90 × 4,042,642.40
  4. Step 4: Simplify right side
    8,085,530.60x = 49,030,363,245,086.16
  5. Step 5: Solve for x
    x = 49,030,363,245,086.16/8,085,530.60
  6. Step 6: Final answer
    x = 6,063,963.60

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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.