Home / 7,048,144.32-9,725,659.12-3,908,329.04

Finding the Fourth Proportional to 7,048,144.32, 9,725,659.12 and 3,908,329.04

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Solution

The fourth proportional to 7,048,144.32, 9,725,659.12 and 3,908,329.04 is: 5,393,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048,144.32 : 9,725,659.12 = 3,908,329.04 : x
  2. Step 2: Convert to fraction form
    7,048,144.32/9,725,659.12 = 3,908,329.04/x
  3. Step 3: Cross multiply
    7,048,144.32x = 9,725,659.12 × 3,908,329.04
  4. Step 4: Simplify right side
    7,048,144.32x = 38,011,075,971,836.84
  5. Step 5: Solve for x
    x = 38,011,075,971,836.84/7,048,144.32
  6. Step 6: Final answer
    x = 5,393,061.53

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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.