Home / 20,745,014.20-28,627,368.28-11,452,385

Finding the Fourth Proportional to 20,745,014.20, 28,627,368.28 and 11,452,385

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Solution

The fourth proportional to 20,745,014.20, 28,627,368.28 and 11,452,385 is: 15,803,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,014.20 : 28,627,368.28 = 11,452,385 : x
  2. Step 2: Convert to fraction form
    20,745,014.20/28,627,368.28 = 11,452,385/x
  3. Step 3: Cross multiply
    20,745,014.20x = 28,627,368.28 × 11,452,385
  4. Step 4: Simplify right side
    20,745,014.20x = 327,851,643,079,347.81
  5. Step 5: Solve for x
    x = 327,851,643,079,347.81/20,745,014.20
  6. Step 6: Final answer
    x = 15,803,876.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.