Home / 8,907,310.80-13,360,966.20-6,639,829.20

Finding the Fourth Proportional to 8,907,310.80, 13,360,966.20 and 6,639,829.20

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Solution

The fourth proportional to 8,907,310.80, 13,360,966.20 and 6,639,829.20 is: 9,959,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,310.80 : 13,360,966.20 = 6,639,829.20 : x
  2. Step 2: Convert to fraction form
    8,907,310.80/13,360,966.20 = 6,639,829.20/x
  3. Step 3: Cross multiply
    8,907,310.80x = 13,360,966.20 × 6,639,829.20
  4. Step 4: Simplify right side
    8,907,310.80x = 88,714,533,514,973.03
  5. Step 5: Solve for x
    x = 88,714,533,514,973.03/8,907,310.80
  6. Step 6: Final answer
    x = 9,959,743.80

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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.