Home / 21,949,125.60-32,923,688.40-13,886,968.80

Finding the Fourth Proportional to 21,949,125.60, 32,923,688.40 and 13,886,968.80

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Solution

The fourth proportional to 21,949,125.60, 32,923,688.40 and 13,886,968.80 is: 20,830,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949,125.60 : 32,923,688.40 = 13,886,968.80 : x
  2. Step 2: Convert to fraction form
    21,949,125.60/32,923,688.40 = 13,886,968.80/x
  3. Step 3: Cross multiply
    21,949,125.60x = 32,923,688.40 × 13,886,968.80
  4. Step 4: Simplify right side
    21,949,125.60x = 457,210,233,591,721.94
  5. Step 5: Solve for x
    x = 457,210,233,591,721.94/21,949,125.60
  6. Step 6: Final answer
    x = 20,830,453.20

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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.