Home / 7,254,020.25-10,010,547.77-3,990,764.79

Finding the Fourth Proportional to 7,254,020.25, 10,010,547.77 and 3,990,764.79

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Solution

The fourth proportional to 7,254,020.25, 10,010,547.77 and 3,990,764.79 is: 5,507,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,020.25 : 10,010,547.77 = 3,990,764.79 : x
  2. Step 2: Convert to fraction form
    7,254,020.25/10,010,547.77 = 3,990,764.79/x
  3. Step 3: Cross multiply
    7,254,020.25x = 10,010,547.77 × 3,990,764.79
  4. Step 4: Simplify right side
    7,254,020.25x = 39,949,741,549,175.20
  5. Step 5: Solve for x
    x = 39,949,741,549,175.20/7,254,020.25
  6. Step 6: Final answer
    x = 5,507,255.31

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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.