Home / 12,390,563.32-17,097,973.69-7,163,907.15

Finding the Fourth Proportional to 12,390,563.32, 17,097,973.69 and 7,163,907.15

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Solution

The fourth proportional to 12,390,563.32, 17,097,973.69 and 7,163,907.15 is: 9,885,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,563.32 : 17,097,973.69 = 7,163,907.15 : x
  2. Step 2: Convert to fraction form
    12,390,563.32/17,097,973.69 = 7,163,907.15/x
  3. Step 3: Cross multiply
    12,390,563.32x = 17,097,973.69 × 7,163,907.15
  4. Step 4: Simplify right side
    12,390,563.32x = 122,488,295,926,723.36
  5. Step 5: Solve for x
    x = 122,488,295,926,723.36/12,390,563.32
  6. Step 6: Final answer
    x = 9,885,611.56

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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.