Home / 8,075,307.64-11,147,656.44-4,978,384.44

Finding the Fourth Proportional to 8,075,307.64, 11,147,656.44 and 4,978,384.44

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Solution

The fourth proportional to 8,075,307.64, 11,147,656.44 and 4,978,384.44 is: 6,872,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,307.64 : 11,147,656.44 = 4,978,384.44 : x
  2. Step 2: Convert to fraction form
    8,075,307.64/11,147,656.44 = 4,978,384.44/x
  3. Step 3: Cross multiply
    8,075,307.64x = 11,147,656.44 × 4,978,384.44
  4. Step 4: Simplify right side
    8,075,307.64x = 55,497,319,363,361.80
  5. Step 5: Solve for x
    x = 55,497,319,363,361.80/8,075,307.64
  6. Step 6: Final answer
    x = 6,872,471.22

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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.