Home / 20,617,959.92-28,452,851.17-11,450,602.67

Finding the Fourth Proportional to 20,617,959.92, 28,452,851.17 and 11,450,602.67

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Solution

The fourth proportional to 20,617,959.92, 28,452,851.17 and 11,450,602.67 is: 15,801,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,959.92 : 28,452,851.17 = 11,450,602.67 : x
  2. Step 2: Convert to fraction form
    20,617,959.92/28,452,851.17 = 11,450,602.67/x
  3. Step 3: Cross multiply
    20,617,959.92x = 28,452,851.17 × 11,450,602.67
  4. Step 4: Simplify right side
    20,617,959.92x = 325,802,293,405,423.81
  5. Step 5: Solve for x
    x = 325,802,293,405,423.81/20,617,959.92
  6. Step 6: Final answer
    x = 15,801,868.60

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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.