Home / 15,828,523.93-21,826,017.15-10,311,668.12

Finding the Fourth Proportional to 15,828,523.93, 21,826,017.15 and 10,311,668.12

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Solution

The fourth proportional to 15,828,523.93, 21,826,017.15 and 10,311,668.12 is: 14,218,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828,523.93 : 21,826,017.15 = 10,311,668.12 : x
  2. Step 2: Convert to fraction form
    15,828,523.93/21,826,017.15 = 10,311,668.12/x
  3. Step 3: Cross multiply
    15,828,523.93x = 21,826,017.15 × 10,311,668.12
  4. Step 4: Simplify right side
    15,828,523.93x = 225,062,645,244,741.41
  5. Step 5: Solve for x
    x = 225,062,645,244,741.41/15,828,523.93
  6. Step 6: Final answer
    x = 14,218,801.85

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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.