Home / 10,900,808.28-15,030,720.72-6,975,329.04

Finding the Fourth Proportional to 10,900,808.28, 15,030,720.72 and 6,975,329.04

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Solution

The fourth proportional to 10,900,808.28, 15,030,720.72 and 6,975,329.04 is: 9,618,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,808.28 : 15,030,720.72 = 6,975,329.04 : x
  2. Step 2: Convert to fraction form
    10,900,808.28/15,030,720.72 = 6,975,329.04/x
  3. Step 3: Cross multiply
    10,900,808.28x = 15,030,720.72 × 6,975,329.04
  4. Step 4: Simplify right side
    10,900,808.28x = 104,844,222,730,345.72
  5. Step 5: Solve for x
    x = 104,844,222,730,345.72/10,900,808.28
  6. Step 6: Final answer
    x = 9,618,022.81

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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.