Home / 7,518,579.12-10,375,361.16-4,080,746.48

Finding the Fourth Proportional to 7,518,579.12, 10,375,361.16 and 4,080,746.48

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Solution

The fourth proportional to 7,518,579.12, 10,375,361.16 and 4,080,746.48 is: 5,631,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,579.12 : 10,375,361.16 = 4,080,746.48 : x
  2. Step 2: Convert to fraction form
    7,518,579.12/10,375,361.16 = 4,080,746.48/x
  3. Step 3: Cross multiply
    7,518,579.12x = 10,375,361.16 × 4,080,746.48
  4. Step 4: Simplify right side
    7,518,579.12x = 42,339,218,532,398.72
  5. Step 5: Solve for x
    x = 42,339,218,532,398.72/7,518,579.12
  6. Step 6: Final answer
    x = 5,631,279.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.