Home / 21,561,019.20-32,341,528.80-16,742,620.80

Finding the Fourth Proportional to 21,561,019.20, 32,341,528.80 and 16,742,620.80

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Solution

The fourth proportional to 21,561,019.20, 32,341,528.80 and 16,742,620.80 is: 25,113,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,019.20 : 32,341,528.80 = 16,742,620.80 : x
  2. Step 2: Convert to fraction form
    21,561,019.20/32,341,528.80 = 16,742,620.80/x
  3. Step 3: Cross multiply
    21,561,019.20x = 32,341,528.80 × 16,742,620.80
  4. Step 4: Simplify right side
    21,561,019.20x = 541,481,952,790,679.06
  5. Step 5: Solve for x
    x = 541,481,952,790,679.06/21,561,019.20
  6. Step 6: Final answer
    x = 25,113,931.20

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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.