Home / 21,555,700.10-32,334,008.21-7,723,559.60

Finding the Fourth Proportional to 21,555,700.10, 32,334,008.21 and 7,723,559.60

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Solution

The fourth proportional to 21,555,700.10, 32,334,008.21 and 7,723,559.60 is: 11,585,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,700.10 : 32,334,008.21 = 7,723,559.60 : x
  2. Step 2: Convert to fraction form
    21,555,700.10/32,334,008.21 = 7,723,559.60/x
  3. Step 3: Cross multiply
    21,555,700.10x = 32,334,008.21 × 7,723,559.60
  4. Step 4: Simplify right side
    21,555,700.10x = 249,733,639,516,824.31
  5. Step 5: Solve for x
    x = 249,733,639,516,824.31/21,555,700.10
  6. Step 6: Final answer
    x = 11,585,503.53

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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.