Home / 20,882,746.17-28,818,496.78-11,590,912.40

Finding the Fourth Proportional to 20,882,746.17, 28,818,496.78 and 11,590,912.40

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Solution

The fourth proportional to 20,882,746.17, 28,818,496.78 and 11,590,912.40 is: 15,995,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,746.17 : 28,818,496.78 = 11,590,912.40 : x
  2. Step 2: Convert to fraction form
    20,882,746.17/28,818,496.78 = 11,590,912.40/x
  3. Step 3: Cross multiply
    20,882,746.17x = 28,818,496.78 × 11,590,912.40
  4. Step 4: Simplify right side
    20,882,746.17x = 334,032,671,503,592.31
  5. Step 5: Solve for x
    x = 334,032,671,503,592.31/20,882,746.17
  6. Step 6: Final answer
    x = 15,995,629.54

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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.