Home / 8,382,720-11,570,019.84-5,326,337.28

Finding the Fourth Proportional to 8,382,720, 11,570,019.84 and 5,326,337.28

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Solution

The fourth proportional to 8,382,720, 11,570,019.84 and 5,326,337.28 is: 7,351,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,720 : 11,570,019.84 = 5,326,337.28 : x
  2. Step 2: Convert to fraction form
    8,382,720/11,570,019.84 = 5,326,337.28/x
  3. Step 3: Cross multiply
    8,382,720x = 11,570,019.84 × 5,326,337.28
  4. Step 4: Simplify right side
    8,382,720x = 61,625,828,004,131.64
  5. Step 5: Solve for x
    x = 61,625,828,004,131.64/8,382,720
  6. Step 6: Final answer
    x = 7,351,531.25

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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.