Home / 25,893,124-38,787,646.32-12,900,105.12

Finding the Fourth Proportional to 25,893,124, 38,787,646.32 and 12,900,105.12

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Solution

The fourth proportional to 25,893,124, 38,787,646.32 and 12,900,105.12 is: 19,324,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893,124 : 38,787,646.32 = 12,900,105.12 : x
  2. Step 2: Convert to fraction form
    25,893,124/38,787,646.32 = 12,900,105.12/x
  3. Step 3: Cross multiply
    25,893,124x = 38,787,646.32 × 12,900,105.12
  4. Step 4: Simplify right side
    25,893,124x = 500,364,714,885,381.12
  5. Step 5: Solve for x
    x = 500,364,714,885,381.12/25,893,124
  6. Step 6: Final answer
    x = 19,324,231.21

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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.