Home / 38,232,032.70-57,348,049.05-12,676,986.30

Finding the Fourth Proportional to 38,232,032.70, 57,348,049.05 and 12,676,986.30

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Solution

The fourth proportional to 38,232,032.70, 57,348,049.05 and 12,676,986.30 is: 19,015,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,232,032.70 : 57,348,049.05 = 12,676,986.30 : x
  2. Step 2: Convert to fraction form
    38,232,032.70/57,348,049.05 = 12,676,986.30/x
  3. Step 3: Cross multiply
    38,232,032.70x = 57,348,049.05 × 12,676,986.30
  4. Step 4: Simplify right side
    38,232,032.70x = 727,000,432,138,578
  5. Step 5: Solve for x
    x = 727,000,432,138,578/38,232,032.70
  6. Step 6: Final answer
    x = 19,015,479.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.