Home / 18,689,095.20-28,033,642.80-17,429,383.20

Finding the Fourth Proportional to 18,689,095.20, 28,033,642.80 and 17,429,383.20

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Solution

The fourth proportional to 18,689,095.20, 28,033,642.80 and 17,429,383.20 is: 26,144,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,095.20 : 28,033,642.80 = 17,429,383.20 : x
  2. Step 2: Convert to fraction form
    18,689,095.20/28,033,642.80 = 17,429,383.20/x
  3. Step 3: Cross multiply
    18,689,095.20x = 28,033,642.80 × 17,429,383.20
  4. Step 4: Simplify right side
    18,689,095.20x = 488,609,102,853,120.94
  5. Step 5: Solve for x
    x = 488,609,102,853,120.94/18,689,095.20
  6. Step 6: Final answer
    x = 26,144,074.80

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1.5x scale

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.