Home / 29,190,064.96-40,283,426.01-19,383,600.70

Finding the Fourth Proportional to 29,190,064.96, 40,283,426.01 and 19,383,600.70

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Solution

The fourth proportional to 29,190,064.96, 40,283,426.01 and 19,383,600.70 is: 26,750,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190,064.96 : 40,283,426.01 = 19,383,600.70 : x
  2. Step 2: Convert to fraction form
    29,190,064.96/40,283,426.01 = 19,383,600.70/x
  3. Step 3: Cross multiply
    29,190,064.96x = 40,283,426.01 × 19,383,600.70
  4. Step 4: Simplify right side
    29,190,064.96x = 780,837,844,605,834.12
  5. Step 5: Solve for x
    x = 780,837,844,605,834.12/29,190,064.96
  6. Step 6: Final answer
    x = 26,750,123.57

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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.