Home / 7,240,031.10-10,861,504.65-2,122,451.10

Finding the Fourth Proportional to 7,240,031.10, 10,861,504.65 and 2,122,451.10

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Solution

The fourth proportional to 7,240,031.10, 10,861,504.65 and 2,122,451.10 is: 3,184,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,031.10 : 10,861,504.65 = 2,122,451.10 : x
  2. Step 2: Convert to fraction form
    7,240,031.10/10,861,504.65 = 2,122,451.10/x
  3. Step 3: Cross multiply
    7,240,031.10x = 10,861,504.65 × 2,122,451.10
  4. Step 4: Simplify right side
    7,240,031.10x = 23,053,012,492,047.62
  5. Step 5: Solve for x
    x = 23,053,012,492,047.62/7,240,031.10
  6. Step 6: Final answer
    x = 3,184,104.07

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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.