Home / 8,478,033.40-12,717,827.70-2,798,270.20

Finding the Fourth Proportional to 8,478,033.40, 12,717,827.70 and 2,798,270.20

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Solution

The fourth proportional to 8,478,033.40, 12,717,827.70 and 2,798,270.20 is: 4,197,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,033.40 : 12,717,827.70 = 2,798,270.20 : x
  2. Step 2: Convert to fraction form
    8,478,033.40/12,717,827.70 = 2,798,270.20/x
  3. Step 3: Cross multiply
    8,478,033.40x = 12,717,827.70 × 2,798,270.20
  4. Step 4: Simplify right side
    8,478,033.40x = 35,587,918,261,644.54
  5. Step 5: Solve for x
    x = 35,587,918,261,644.54/8,478,033.40
  6. Step 6: Final answer
    x = 4,197,661.96

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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.