Home / 10,075,678.03-13,904,573.84-5,491,989.55

Finding the Fourth Proportional to 10,075,678.03, 13,904,573.84 and 5,491,989.55

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Solution

The fourth proportional to 10,075,678.03, 13,904,573.84 and 5,491,989.55 is: 7,579,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075,678.03 : 13,904,573.84 = 5,491,989.55 : x
  2. Step 2: Convert to fraction form
    10,075,678.03/13,904,573.84 = 5,491,989.55/x
  3. Step 3: Cross multiply
    10,075,678.03x = 13,904,573.84 × 5,491,989.55
  4. Step 4: Simplify right side
    10,075,678.03x = 76,363,774,199,023.42
  5. Step 5: Solve for x
    x = 76,363,774,199,023.42/10,075,678.03
  6. Step 6: Final answer
    x = 7,579,020.88

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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.