Home / 13,480,213.60-20,220,320.40-3,895,904.80

Finding the Fourth Proportional to 13,480,213.60, 20,220,320.40 and 3,895,904.80

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Solution

The fourth proportional to 13,480,213.60, 20,220,320.40 and 3,895,904.80 is: 5,843,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,213.60 : 20,220,320.40 = 3,895,904.80 : x
  2. Step 2: Convert to fraction form
    13,480,213.60/20,220,320.40 = 3,895,904.80/x
  3. Step 3: Cross multiply
    13,480,213.60x = 20,220,320.40 × 3,895,904.80
  4. Step 4: Simplify right side
    13,480,213.60x = 78,776,443,303,897.91
  5. Step 5: Solve for x
    x = 78,776,443,303,897.91/13,480,213.60
  6. Step 6: Final answer
    x = 5,843,857.20

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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.