Home / 21,581,278.80-32,371,918.20-10,831,736.40

Finding the Fourth Proportional to 21,581,278.80, 32,371,918.20 and 10,831,736.40

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Solution

The fourth proportional to 21,581,278.80, 32,371,918.20 and 10,831,736.40 is: 16,247,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,278.80 : 32,371,918.20 = 10,831,736.40 : x
  2. Step 2: Convert to fraction form
    21,581,278.80/32,371,918.20 = 10,831,736.40/x
  3. Step 3: Cross multiply
    21,581,278.80x = 32,371,918.20 × 10,831,736.40
  4. Step 4: Simplify right side
    21,581,278.80x = 350,644,084,704,762.50
  5. Step 5: Solve for x
    x = 350,644,084,704,762.50/21,581,278.80
  6. Step 6: Final answer
    x = 16,247,604.60

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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.