Home / 25,305,425.08-34,921,423.38-13,702,987.72

Finding the Fourth Proportional to 25,305,425.08, 34,921,423.38 and 13,702,987.72

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Solution

The fourth proportional to 25,305,425.08, 34,921,423.38 and 13,702,987.72 is: 18,910,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,425.08 : 34,921,423.38 = 13,702,987.72 : x
  2. Step 2: Convert to fraction form
    25,305,425.08/34,921,423.38 = 13,702,987.72/x
  3. Step 3: Cross multiply
    25,305,425.08x = 34,921,423.38 × 13,702,987.72
  4. Step 4: Simplify right side
    25,305,425.08x = 478,527,835,741,060.94
  5. Step 5: Solve for x
    x = 478,527,835,741,060.94/25,305,425.08
  6. Step 6: Final answer
    x = 18,910,088.81

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1.5x scale

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.