Home / 10,019,473.71-13,819,744.20-9,195,209.64

Finding the Fourth Proportional to 10,019,473.71, 13,819,744.20 and 9,195,209.64

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Solution

The fourth proportional to 10,019,473.71, 13,819,744.20 and 9,195,209.64 is: 12,682,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019,473.71 : 13,819,744.20 = 9,195,209.64 : x
  2. Step 2: Convert to fraction form
    10,019,473.71/13,819,744.20 = 9,195,209.64/x
  3. Step 3: Cross multiply
    10,019,473.71x = 13,819,744.20 × 9,195,209.64
  4. Step 4: Simplify right side
    10,019,473.71x = 127,075,445,090,174.09
  5. Step 5: Solve for x
    x = 127,075,445,090,174.09/10,019,473.71
  6. Step 6: Final answer
    x = 12,682,846.30

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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.