Home / 21,761,657.60-32,614,492.80-13,232,940.80

Finding the Fourth Proportional to 21,761,657.60, 32,614,492.80 and 13,232,940.80

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Solution

The fourth proportional to 21,761,657.60, 32,614,492.80 and 13,232,940.80 is: 19,832,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,657.60 : 32,614,492.80 = 13,232,940.80 : x
  2. Step 2: Convert to fraction form
    21,761,657.60/32,614,492.80 = 13,232,940.80/x
  3. Step 3: Cross multiply
    21,761,657.60x = 32,614,492.80 × 13,232,940.80
  4. Step 4: Simplify right side
    21,761,657.60x = 431,585,652,444,426.25
  5. Step 5: Solve for x
    x = 431,585,652,444,426.25/21,761,657.60
  6. Step 6: Final answer
    x = 19,832,388.71

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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.