Home / 21,787,112.77-32,650,082.47-17,218,075.57

Finding the Fourth Proportional to 21,787,112.77, 32,650,082.47 and 17,218,075.57

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Solution

The fourth proportional to 21,787,112.77, 32,650,082.47 and 17,218,075.57 is: 25,802,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,112.77 : 32,650,082.47 = 17,218,075.57 : x
  2. Step 2: Convert to fraction form
    21,787,112.77/32,650,082.47 = 17,218,075.57/x
  3. Step 3: Cross multiply
    21,787,112.77x = 32,650,082.47 × 17,218,075.57
  4. Step 4: Simplify right side
    21,787,112.77x = 562,171,587,275,089.62
  5. Step 5: Solve for x
    x = 562,171,587,275,089.62/21,787,112.77
  6. Step 6: Final answer
    x = 25,802,941.09

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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.