Home / 20,602,896.56-30,897,206.04-10,363,798.88

Finding the Fourth Proportional to 20,602,896.56, 30,897,206.04 and 10,363,798.88

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Solution

The fourth proportional to 20,602,896.56, 30,897,206.04 and 10,363,798.88 is: 15,542,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,896.56 : 30,897,206.04 = 10,363,798.88 : x
  2. Step 2: Convert to fraction form
    20,602,896.56/30,897,206.04 = 10,363,798.88/x
  3. Step 3: Cross multiply
    20,602,896.56x = 30,897,206.04 × 10,363,798.88
  4. Step 4: Simplify right side
    20,602,896.56x = 320,212,429,352,481.25
  5. Step 5: Solve for x
    x = 320,212,429,352,481.25/20,602,896.56
  6. Step 6: Final answer
    x = 15,542,107.32

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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.