Home / 6,645,254.40-9,967,881.60-4,377,772.80

Finding the Fourth Proportional to 6,645,254.40, 9,967,881.60 and 4,377,772.80

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Solution

The fourth proportional to 6,645,254.40, 9,967,881.60 and 4,377,772.80 is: 6,566,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,254.40 : 9,967,881.60 = 4,377,772.80 : x
  2. Step 2: Convert to fraction form
    6,645,254.40/9,967,881.60 = 4,377,772.80/x
  3. Step 3: Cross multiply
    6,645,254.40x = 9,967,881.60 × 4,377,772.80
  4. Step 4: Simplify right side
    6,645,254.40x = 43,637,120,942,100.48
  5. Step 5: Solve for x
    x = 43,637,120,942,100.48/6,645,254.40
  6. Step 6: Final answer
    x = 6,566,659.20

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Similar ratio
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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.