Home / 7,161,065.10-9,882,530.55-3,897,722.07

Finding the Fourth Proportional to 7,161,065.10, 9,882,530.55 and 3,897,722.07

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Solution

The fourth proportional to 7,161,065.10, 9,882,530.55 and 3,897,722.07 is: 5,378,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,065.10 : 9,882,530.55 = 3,897,722.07 : x
  2. Step 2: Convert to fraction form
    7,161,065.10/9,882,530.55 = 3,897,722.07/x
  3. Step 3: Cross multiply
    7,161,065.10x = 9,882,530.55 × 3,897,722.07
  4. Step 4: Simplify right side
    7,161,065.10x = 38,519,357,432,184.24
  5. Step 5: Solve for x
    x = 38,519,357,432,184.24/7,161,065.10
  6. Step 6: Final answer
    x = 5,378,998.36

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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.