Home / 15,075,644.76-20,808,084.96-8,553,092.04

Finding the Fourth Proportional to 15,075,644.76, 20,808,084.96 and 8,553,092.04

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Solution

The fourth proportional to 15,075,644.76, 20,808,084.96 and 8,553,092.04 is: 11,805,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,644.76 : 20,808,084.96 = 8,553,092.04 : x
  2. Step 2: Convert to fraction form
    15,075,644.76/20,808,084.96 = 8,553,092.04/x
  3. Step 3: Cross multiply
    15,075,644.76x = 20,808,084.96 × 8,553,092.04
  4. Step 4: Simplify right side
    15,075,644.76x = 177,973,465,839,019.72
  5. Step 5: Solve for x
    x = 177,973,465,839,019.72/15,075,644.76
  6. Step 6: Final answer
    x = 11,805,363.46

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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.