Home / 12,856,280.11-17,742,178.31-7,055,269.46

Finding the Fourth Proportional to 12,856,280.11, 17,742,178.31 and 7,055,269.46

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Solution

The fourth proportional to 12,856,280.11, 17,742,178.31 and 7,055,269.46 is: 9,736,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,280.11 : 17,742,178.31 = 7,055,269.46 : x
  2. Step 2: Convert to fraction form
    12,856,280.11/17,742,178.31 = 7,055,269.46/x
  3. Step 3: Cross multiply
    12,856,280.11x = 17,742,178.31 × 7,055,269.46
  4. Step 4: Simplify right side
    12,856,280.11x = 125,175,848,726,963.34
  5. Step 5: Solve for x
    x = 125,175,848,726,963.34/12,856,280.11
  6. Step 6: Final answer
    x = 9,736,552.69

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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.