Home / 10,019,471.45-13,819,741.10-9,195,207.38

Finding the Fourth Proportional to 10,019,471.45, 13,819,741.10 and 9,195,207.38

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Solution

The fourth proportional to 10,019,471.45, 13,819,741.10 and 9,195,207.38 is: 12,682,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019,471.45 : 13,819,741.10 = 9,195,207.38 : x
  2. Step 2: Convert to fraction form
    10,019,471.45/13,819,741.10 = 9,195,207.38/x
  3. Step 3: Cross multiply
    10,019,471.45x = 13,819,741.10 × 9,195,207.38
  4. Step 4: Simplify right side
    10,019,471.45x = 127,075,385,237,334.58
  5. Step 5: Solve for x
    x = 127,075,385,237,334.58/10,019,471.45
  6. Step 6: Final answer
    x = 12,682,843.20

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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.