Home / 38,423,435.44-53,025,594.10-21,019,780.66

Finding the Fourth Proportional to 38,423,435.44, 53,025,594.10 and 21,019,780.66

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Solution

The fourth proportional to 38,423,435.44, 53,025,594.10 and 21,019,780.66 is: 29,007,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,435.44 : 53,025,594.10 = 21,019,780.66 : x
  2. Step 2: Convert to fraction form
    38,423,435.44/53,025,594.10 = 21,019,780.66/x
  3. Step 3: Cross multiply
    38,423,435.44x = 53,025,594.10 × 21,019,780.66
  4. Step 4: Simplify right side
    38,423,435.44x = 1,114,586,357,348,190.12
  5. Step 5: Solve for x
    x = 1,114,586,357,348,190.12/38,423,435.44
  6. Step 6: Final answer
    x = 29,007,982.88

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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.