Home / 21,913,568.28-30,250,409.85-13,096,130.22

Finding the Fourth Proportional to 21,913,568.28, 30,250,409.85 and 13,096,130.22

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Solution

The fourth proportional to 21,913,568.28, 30,250,409.85 and 13,096,130.22 is: 18,078,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,568.28 : 30,250,409.85 = 13,096,130.22 : x
  2. Step 2: Convert to fraction form
    21,913,568.28/30,250,409.85 = 13,096,130.22/x
  3. Step 3: Cross multiply
    21,913,568.28x = 30,250,409.85 × 13,096,130.22
  4. Step 4: Simplify right side
    21,913,568.28x = 396,163,306,603,970.69
  5. Step 5: Solve for x
    x = 396,163,306,603,970.69/21,913,568.28
  6. Step 6: Final answer
    x = 18,078,448.09

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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.