Home / 12,855,788-19,289,089.20-8,002,152.08

Finding the Fourth Proportional to 12,855,788, 19,289,089.20 and 8,002,152.08

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Solution

The fourth proportional to 12,855,788, 19,289,089.20 and 8,002,152.08 is: 12,006,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,788 : 19,289,089.20 = 8,002,152.08 : x
  2. Step 2: Convert to fraction form
    12,855,788/19,289,089.20 = 8,002,152.08/x
  3. Step 3: Cross multiply
    12,855,788x = 19,289,089.20 × 8,002,152.08
  4. Step 4: Simplify right side
    12,855,788x = 154,354,225,263,085.53
  5. Step 5: Solve for x
    x = 154,354,225,263,085.53/12,855,788
  6. Step 6: Final answer
    x = 12,006,593.86

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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.