Home / 15,075,986.40-22,613,979.60-7,889,723.10

Finding the Fourth Proportional to 15,075,986.40, 22,613,979.60 and 7,889,723.10

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Solution

The fourth proportional to 15,075,986.40, 22,613,979.60 and 7,889,723.10 is: 11,834,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,986.40 : 22,613,979.60 = 7,889,723.10 : x
  2. Step 2: Convert to fraction form
    15,075,986.40/22,613,979.60 = 7,889,723.10/x
  3. Step 3: Cross multiply
    15,075,986.40x = 22,613,979.60 × 7,889,723.10
  4. Step 4: Simplify right side
    15,075,986.40x = 178,418,037,233,048.75
  5. Step 5: Solve for x
    x = 178,418,037,233,048.75/15,075,986.40
  6. Step 6: Final answer
    x = 11,834,584.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.