Home / 6,639,339.60-9,959,009.40-6,292,918.80

Finding the Fourth Proportional to 6,639,339.60, 9,959,009.40 and 6,292,918.80

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Solution

The fourth proportional to 6,639,339.60, 9,959,009.40 and 6,292,918.80 is: 9,439,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,339.60 : 9,959,009.40 = 6,292,918.80 : x
  2. Step 2: Convert to fraction form
    6,639,339.60/9,959,009.40 = 6,292,918.80/x
  3. Step 3: Cross multiply
    6,639,339.60x = 9,959,009.40 × 6,292,918.80
  4. Step 4: Simplify right side
    6,639,339.60x = 62,671,237,482,636.72
  5. Step 5: Solve for x
    x = 62,671,237,482,636.72/6,639,339.60
  6. Step 6: Final answer
    x = 9,439,378.20

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Double scale
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Similar ratio
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1.5x scale

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.