Home / 12,856,537.32-17,742,237.06-7,055,858.80

Finding the Fourth Proportional to 12,856,537.32, 17,742,237.06 and 7,055,858.80

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Solution

The fourth proportional to 12,856,537.32, 17,742,237.06 and 7,055,858.80 is: 9,737,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,537.32 : 17,742,237.06 = 7,055,858.80 : x
  2. Step 2: Convert to fraction form
    12,856,537.32/17,742,237.06 = 7,055,858.80/x
  3. Step 3: Cross multiply
    12,856,537.32x = 17,742,237.06 × 7,055,858.80
  4. Step 4: Simplify right side
    12,856,537.32x = 125,186,719,491,487.11
  5. Step 5: Solve for x
    x = 125,186,719,491,487.11/12,856,537.32
  6. Step 6: Final answer
    x = 9,737,203.45

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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.