Home / 12,455,870.84-17,189,525.88-7,228,474.28

Finding the Fourth Proportional to 12,455,870.84, 17,189,525.88 and 7,228,474.28

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Solution

The fourth proportional to 12,455,870.84, 17,189,525.88 and 7,228,474.28 is: 9,975,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,870.84 : 17,189,525.88 = 7,228,474.28 : x
  2. Step 2: Convert to fraction form
    12,455,870.84/17,189,525.88 = 7,228,474.28/x
  3. Step 3: Cross multiply
    12,455,870.84x = 17,189,525.88 × 7,228,474.28
  4. Step 4: Simplify right side
    12,455,870.84x = 124,254,045,708,974.36
  5. Step 5: Solve for x
    x = 124,254,045,708,974.36/12,455,870.84
  6. Step 6: Final answer
    x = 9,975,540.64

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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.