Home / 12,856,546.80-17,742,250.20-7,055,868.30

Finding the Fourth Proportional to 12,856,546.80, 17,742,250.20 and 7,055,868.30

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Solution

The fourth proportional to 12,856,546.80, 17,742,250.20 and 7,055,868.30 is: 9,737,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,546.80 : 17,742,250.20 = 7,055,868.30 : x
  2. Step 2: Convert to fraction form
    12,856,546.80/17,742,250.20 = 7,055,868.30/x
  3. Step 3: Cross multiply
    12,856,546.80x = 17,742,250.20 × 7,055,868.30
  4. Step 4: Simplify right side
    12,856,546.80x = 125,186,980,756,848.66
  5. Step 5: Solve for x
    x = 125,186,980,756,848.66/12,856,546.80
  6. Step 6: Final answer
    x = 9,737,216.59

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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.