Home / 21,581,262.80-32,371,894.20-10,831,720.40

Finding the Fourth Proportional to 21,581,262.80, 32,371,894.20 and 10,831,720.40

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Solution

The fourth proportional to 21,581,262.80, 32,371,894.20 and 10,831,720.40 is: 16,247,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,262.80 : 32,371,894.20 = 10,831,720.40 : x
  2. Step 2: Convert to fraction form
    21,581,262.80/32,371,894.20 = 10,831,720.40/x
  3. Step 3: Cross multiply
    21,581,262.80x = 32,371,894.20 × 10,831,720.40
  4. Step 4: Simplify right side
    21,581,262.80x = 350,643,306,792,781.69
  5. Step 5: Solve for x
    x = 350,643,306,792,781.69/21,581,262.80
  6. Step 6: Final answer
    x = 16,247,580.60

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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.