Home / 28,939,062.58-39,934,439.76-17,178,833.64

Finding the Fourth Proportional to 28,939,062.58, 39,934,439.76 and 17,178,833.64

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Solution

The fourth proportional to 28,939,062.58, 39,934,439.76 and 17,178,833.64 is: 23,705,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,062.58 : 39,934,439.76 = 17,178,833.64 : x
  2. Step 2: Convert to fraction form
    28,939,062.58/39,934,439.76 = 17,178,833.64/x
  3. Step 3: Cross multiply
    28,939,062.58x = 39,934,439.76 × 17,178,833.64
  4. Step 4: Simplify right side
    28,939,062.58x = 686,027,097,143,641.50
  5. Step 5: Solve for x
    x = 686,027,097,143,641.50/28,939,062.58
  6. Step 6: Final answer
    x = 23,705,919.82

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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.