Home / 17,219,245.68-25,828,868.52-8,119,225.20

Finding the Fourth Proportional to 17,219,245.68, 25,828,868.52 and 8,119,225.20

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Solution

The fourth proportional to 17,219,245.68, 25,828,868.52 and 8,119,225.20 is: 12,178,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219,245.68 : 25,828,868.52 = 8,119,225.20 : x
  2. Step 2: Convert to fraction form
    17,219,245.68/25,828,868.52 = 8,119,225.20/x
  3. Step 3: Cross multiply
    17,219,245.68x = 25,828,868.52 × 8,119,225.20
  4. Step 4: Simplify right side
    17,219,245.68x = 209,710,400,175,070.72
  5. Step 5: Solve for x
    x = 209,710,400,175,070.72/17,219,245.68
  6. Step 6: Final answer
    x = 12,178,837.80

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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.