Home / 8,802,178.40-13,187,521.20-5,432,448.80

Finding the Fourth Proportional to 8,802,178.40, 13,187,521.20 and 5,432,448.80

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Solution

The fourth proportional to 8,802,178.40, 13,187,521.20 and 5,432,448.80 is: 8,138,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,178.40 : 13,187,521.20 = 5,432,448.80 : x
  2. Step 2: Convert to fraction form
    8,802,178.40/13,187,521.20 = 5,432,448.80/x
  3. Step 3: Cross multiply
    8,802,178.40x = 13,187,521.20 × 5,432,448.80
  4. Step 4: Simplify right side
    8,802,178.40x = 71,640,533,717,914.55
  5. Step 5: Solve for x
    x = 71,640,533,717,914.55/8,802,178.40
  6. Step 6: Final answer
    x = 8,138,954.98

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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.