Home / 7,480,721.68-11,223,081.57-2,688,452.46

Finding the Fourth Proportional to 7,480,721.68, 11,223,081.57 and 2,688,452.46

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Solution

The fourth proportional to 7,480,721.68, 11,223,081.57 and 2,688,452.46 is: 4,033,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,721.68 : 11,223,081.57 = 2,688,452.46 : x
  2. Step 2: Convert to fraction form
    7,480,721.68/11,223,081.57 = 2,688,452.46/x
  3. Step 3: Cross multiply
    7,480,721.68x = 11,223,081.57 × 2,688,452.46
  4. Step 4: Simplify right side
    7,480,721.68x = 30,172,721,255,647.16
  5. Step 5: Solve for x
    x = 30,172,721,255,647.16/7,480,721.68
  6. Step 6: Final answer
    x = 4,033,397.12

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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.