Home / 21,365,371.56-29,494,431-12,196,242.84

Finding the Fourth Proportional to 21,365,371.56, 29,494,431 and 12,196,242.84

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Solution

The fourth proportional to 21,365,371.56, 29,494,431 and 12,196,242.84 is: 16,836,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365,371.56 : 29,494,431 = 12,196,242.84 : x
  2. Step 2: Convert to fraction form
    21,365,371.56/29,494,431 = 12,196,242.84/x
  3. Step 3: Cross multiply
    21,365,371.56x = 29,494,431 × 12,196,242.84
  4. Step 4: Simplify right side
    21,365,371.56x = 359,721,242,903,624.06
  5. Step 5: Solve for x
    x = 359,721,242,903,624.06/21,365,371.56
  6. Step 6: Final answer
    x = 16,836,648.12

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1.5x scale

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.