Home / 18,719,240.25-28,075,309.34-9,124,969.53

Finding the Fourth Proportional to 18,719,240.25, 28,075,309.34 and 9,124,969.53

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Solution

The fourth proportional to 18,719,240.25, 28,075,309.34 and 9,124,969.53 is: 13,685,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,240.25 : 28,075,309.34 = 9,124,969.53 : x
  2. Step 2: Convert to fraction form
    18,719,240.25/28,075,309.34 = 9,124,969.53/x
  3. Step 3: Cross multiply
    18,719,240.25x = 28,075,309.34 × 9,124,969.53
  4. Step 4: Simplify right side
    18,719,240.25x = 256,186,342,227,199.56
  5. Step 5: Solve for x
    x = 256,186,342,227,199.56/18,719,240.25
  6. Step 6: Final answer
    x = 13,685,723.29

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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.