Home / 21,604,857.40-32,407,286.10-20,030,217.40

Finding the Fourth Proportional to 21,604,857.40, 32,407,286.10 and 20,030,217.40

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Solution

The fourth proportional to 21,604,857.40, 32,407,286.10 and 20,030,217.40 is: 30,045,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604,857.40 : 32,407,286.10 = 20,030,217.40 : x
  2. Step 2: Convert to fraction form
    21,604,857.40/32,407,286.10 = 20,030,217.40/x
  3. Step 3: Cross multiply
    21,604,857.40x = 32,407,286.10 × 20,030,217.40
  4. Step 4: Simplify right side
    21,604,857.40x = 649,124,985,926,998.12
  5. Step 5: Solve for x
    x = 649,124,985,926,998.12/21,604,857.40
  6. Step 6: Final answer
    x = 30,045,326.10

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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.