Home / 23,189,471.46-34,628,047.65-18,938,073.06

Finding the Fourth Proportional to 23,189,471.46, 34,628,047.65 and 18,938,073.06

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Solution

The fourth proportional to 23,189,471.46, 34,628,047.65 and 18,938,073.06 is: 28,279,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,471.46 : 34,628,047.65 = 18,938,073.06 : x
  2. Step 2: Convert to fraction form
    23,189,471.46/34,628,047.65 = 18,938,073.06/x
  3. Step 3: Cross multiply
    23,189,471.46x = 34,628,047.65 × 18,938,073.06
  4. Step 4: Simplify right side
    23,189,471.46x = 655,788,496,320,861.25
  5. Step 5: Solve for x
    x = 655,788,496,320,861.25/23,189,471.46
  6. Step 6: Final answer
    x = 28,279,579.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.