Home / 7,882,758.10-10,878,191.05-4,397,889.51

Finding the Fourth Proportional to 7,882,758.10, 10,878,191.05 and 4,397,889.51

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Solution

The fourth proportional to 7,882,758.10, 10,878,191.05 and 4,397,889.51 is: 6,069,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,758.10 : 10,878,191.05 = 4,397,889.51 : x
  2. Step 2: Convert to fraction form
    7,882,758.10/10,878,191.05 = 4,397,889.51/x
  3. Step 3: Cross multiply
    7,882,758.10x = 10,878,191.05 × 4,397,889.51
  4. Step 4: Simplify right side
    7,882,758.10x = 47,841,082,306,570.88
  5. Step 5: Solve for x
    x = 47,841,082,306,570.88/7,882,758.10
  6. Step 6: Final answer
    x = 6,069,079.08

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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.