Home / 8,678,876.27-13,019,189.22-2,289,570.35

Finding the Fourth Proportional to 8,678,876.27, 13,019,189.22 and 2,289,570.35

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Solution

The fourth proportional to 8,678,876.27, 13,019,189.22 and 2,289,570.35 is: 3,434,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,876.27 : 13,019,189.22 = 2,289,570.35 : x
  2. Step 2: Convert to fraction form
    8,678,876.27/13,019,189.22 = 2,289,570.35/x
  3. Step 3: Cross multiply
    8,678,876.27x = 13,019,189.22 × 2,289,570.35
  4. Step 4: Simplify right side
    8,678,876.27x = 29,808,349,554,055.68
  5. Step 5: Solve for x
    x = 29,808,349,554,055.68/8,678,876.27
  6. Step 6: Final answer
    x = 3,434,586.30

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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.