Home / 21,212,427.63-31,813,596.36-5,859,377.40

Finding the Fourth Proportional to 21,212,427.63, 31,813,596.36 and 5,859,377.40

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Solution

The fourth proportional to 21,212,427.63, 31,813,596.36 and 5,859,377.40 is: 8,787,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,212,427.63 : 31,813,596.36 = 5,859,377.40 : x
  2. Step 2: Convert to fraction form
    21,212,427.63/31,813,596.36 = 5,859,377.40/x
  3. Step 3: Cross multiply
    21,212,427.63x = 31,813,596.36 × 5,859,377.40
  4. Step 4: Simplify right side
    21,212,427.63x = 186,407,867,524,506.28
  5. Step 5: Solve for x
    x = 186,407,867,524,506.28/21,212,427.63
  6. Step 6: Final answer
    x = 8,787,672.53

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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.