Home / 29,278,864.21-40,354,399.84-19,471,784.86

Finding the Fourth Proportional to 29,278,864.21, 40,354,399.84 and 19,471,784.86

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Solution

The fourth proportional to 29,278,864.21, 40,354,399.84 and 19,471,784.86 is: 26,837,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278,864.21 : 40,354,399.84 = 19,471,784.86 : x
  2. Step 2: Convert to fraction form
    29,278,864.21/40,354,399.84 = 19,471,784.86/x
  3. Step 3: Cross multiply
    29,278,864.21x = 40,354,399.84 × 19,471,784.86
  4. Step 4: Simplify right side
    29,278,864.21x = 785,772,191,704,952.25
  5. Step 5: Solve for x
    x = 785,772,191,704,952.25/29,278,864.21
  6. Step 6: Final answer
    x = 26,837,523.00

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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.