Home / 25,685,345.96-38,530,115.58-12,899,274.92

Finding the Fourth Proportional to 25,685,345.96, 38,530,115.58 and 12,899,274.92

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Solution

The fourth proportional to 25,685,345.96, 38,530,115.58 and 12,899,274.92 is: 19,349,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,345.96 : 38,530,115.58 = 12,899,274.92 : x
  2. Step 2: Convert to fraction form
    25,685,345.96/38,530,115.58 = 12,899,274.92/x
  3. Step 3: Cross multiply
    25,685,345.96x = 38,530,115.58 × 12,899,274.92
  4. Step 4: Simplify right side
    25,685,345.96x = 497,010,553,565,795.25
  5. Step 5: Solve for x
    x = 497,010,553,565,795.25/25,685,345.96
  6. Step 6: Final answer
    x = 19,349,965.32

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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.