Home / 21,583,750.40-32,374,876.80-5,409,843.20

Finding the Fourth Proportional to 21,583,750.40, 32,374,876.80 and 5,409,843.20

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Solution

The fourth proportional to 21,583,750.40, 32,374,876.80 and 5,409,843.20 is: 8,114,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,750.40 : 32,374,876.80 = 5,409,843.20 : x
  2. Step 2: Convert to fraction form
    21,583,750.40/32,374,876.80 = 5,409,843.20/x
  3. Step 3: Cross multiply
    21,583,750.40x = 32,374,876.80 × 5,409,843.20
  4. Step 4: Simplify right side
    21,583,750.40x = 175,143,007,107,317.78
  5. Step 5: Solve for x
    x = 175,143,007,107,317.78/21,583,750.40
  6. Step 6: Final answer
    x = 8,114,577.12

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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.