Home / 21,881,487.80-32,823,632.10-8,418,315.80

Finding the Fourth Proportional to 21,881,487.80, 32,823,632.10 and 8,418,315.80

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Solution

The fourth proportional to 21,881,487.80, 32,823,632.10 and 8,418,315.80 is: 12,628,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,487.80 : 32,823,632.10 = 8,418,315.80 : x
  2. Step 2: Convert to fraction form
    21,881,487.80/32,823,632.10 = 8,418,315.80/x
  3. Step 3: Cross multiply
    21,881,487.80x = 32,823,632.10 × 8,418,315.80
  4. Step 4: Simplify right side
    21,881,487.80x = 276,319,700,720,817.22
  5. Step 5: Solve for x
    x = 276,319,700,720,817.22/21,881,487.80
  6. Step 6: Final answer
    x = 12,628,012.47

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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.