Home / 17,865,299.10-26,808,971.16-8,278,890.78

Finding the Fourth Proportional to 17,865,299.10, 26,808,971.16 and 8,278,890.78

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Solution

The fourth proportional to 17,865,299.10, 26,808,971.16 and 8,278,890.78 is: 12,423,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865,299.10 : 26,808,971.16 = 8,278,890.78 : x
  2. Step 2: Convert to fraction form
    17,865,299.10/26,808,971.16 = 8,278,890.78/x
  3. Step 3: Cross multiply
    17,865,299.10x = 26,808,971.16 × 8,278,890.78
  4. Step 4: Simplify right side
    17,865,299.10x = 221,948,544,157,809.91
  5. Step 5: Solve for x
    x = 221,948,544,157,809.91/17,865,299.10
  6. Step 6: Final answer
    x = 12,423,444.07

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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.