Home / 21,790,510.40-32,677,892.40-8,831,223.20

Finding the Fourth Proportional to 21,790,510.40, 32,677,892.40 and 8,831,223.20

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Solution

The fourth proportional to 21,790,510.40, 32,677,892.40 and 8,831,223.20 is: 13,243,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,510.40 : 32,677,892.40 = 8,831,223.20 : x
  2. Step 2: Convert to fraction form
    21,790,510.40/32,677,892.40 = 8,831,223.20/x
  3. Step 3: Cross multiply
    21,790,510.40x = 32,677,892.40 × 8,831,223.20
  4. Step 4: Simplify right side
    21,790,510.40x = 288,585,761,489,983.62
  5. Step 5: Solve for x
    x = 288,585,761,489,983.62/21,790,510.40
  6. Step 6: Final answer
    x = 13,243,643.96

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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.