Home / 9,215,075.46-12,719,333.49-5,348,842.20

Finding the Fourth Proportional to 9,215,075.46, 12,719,333.49 and 5,348,842.20

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Solution

The fourth proportional to 9,215,075.46, 12,719,333.49 and 5,348,842.20 is: 7,382,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,075.46 : 12,719,333.49 = 5,348,842.20 : x
  2. Step 2: Convert to fraction form
    9,215,075.46/12,719,333.49 = 5,348,842.20/x
  3. Step 3: Cross multiply
    9,215,075.46x = 12,719,333.49 × 5,348,842.20
  4. Step 4: Simplify right side
    9,215,075.46x = 68,033,707,727,185.28
  5. Step 5: Solve for x
    x = 68,033,707,727,185.28/9,215,075.46
  6. Step 6: Final answer
    x = 7,382,870.39

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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.