Home / 21,851,777.70-32,777,666.55-10,486,376.10

Finding the Fourth Proportional to 21,851,777.70, 32,777,666.55 and 10,486,376.10

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Solution

The fourth proportional to 21,851,777.70, 32,777,666.55 and 10,486,376.10 is: 15,729,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,777.70 : 32,777,666.55 = 10,486,376.10 : x
  2. Step 2: Convert to fraction form
    21,851,777.70/32,777,666.55 = 10,486,376.10/x
  3. Step 3: Cross multiply
    21,851,777.70x = 32,777,666.55 × 10,486,376.10
  4. Step 4: Simplify right side
    21,851,777.70x = 343,718,939,123,689.44
  5. Step 5: Solve for x
    x = 343,718,939,123,689.44/21,851,777.70
  6. Step 6: Final answer
    x = 15,729,564.15

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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.