Home / 10,286,469.68-15,426,554.70-7,111,995.44

Finding the Fourth Proportional to 10,286,469.68, 15,426,554.70 and 7,111,995.44

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Solution

The fourth proportional to 10,286,469.68, 15,426,554.70 and 7,111,995.44 is: 10,665,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,469.68 : 15,426,554.70 = 7,111,995.44 : x
  2. Step 2: Convert to fraction form
    10,286,469.68/15,426,554.70 = 7,111,995.44/x
  3. Step 3: Cross multiply
    10,286,469.68x = 15,426,554.70 × 7,111,995.44
  4. Step 4: Simplify right side
    10,286,469.68x = 109,713,586,681,310.56
  5. Step 5: Solve for x
    x = 109,713,586,681,310.56/10,286,469.68
  6. Step 6: Final answer
    x = 10,665,815.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.