Home / 13,221,011.70-19,831,517.55-11,331,443.70

Finding the Fourth Proportional to 13,221,011.70, 19,831,517.55 and 11,331,443.70

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Solution

The fourth proportional to 13,221,011.70, 19,831,517.55 and 11,331,443.70 is: 16,997,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,011.70 : 19,831,517.55 = 11,331,443.70 : x
  2. Step 2: Convert to fraction form
    13,221,011.70/19,831,517.55 = 11,331,443.70/x
  3. Step 3: Cross multiply
    13,221,011.70x = 19,831,517.55 × 11,331,443.70
  4. Step 4: Simplify right side
    13,221,011.70x = 224,719,724,603,386.94
  5. Step 5: Solve for x
    x = 224,719,724,603,386.94/13,221,011.70
  6. Step 6: Final answer
    x = 16,997,165.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.