Home / 18,808,614-28,189,307.88-10,172,370.24

Finding the Fourth Proportional to 18,808,614, 28,189,307.88 and 10,172,370.24

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Solution

The fourth proportional to 18,808,614, 28,189,307.88 and 10,172,370.24 is: 15,245,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,614 : 28,189,307.88 = 10,172,370.24 : x
  2. Step 2: Convert to fraction form
    18,808,614/28,189,307.88 = 10,172,370.24/x
  3. Step 3: Cross multiply
    18,808,614x = 28,189,307.88 × 10,172,370.24
  4. Step 4: Simplify right side
    18,808,614x = 286,752,076,564,709.50
  5. Step 5: Solve for x
    x = 286,752,076,564,709.50/18,808,614
  6. Step 6: Final answer
    x = 15,245,784.54

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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.