Home / 7,156,606.89-9,876,160.46-3,893,444.98

Finding the Fourth Proportional to 7,156,606.89, 9,876,160.46 and 3,893,444.98

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Solution

The fourth proportional to 7,156,606.89, 9,876,160.46 and 3,893,444.98 is: 5,372,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,606.89 : 9,876,160.46 = 3,893,444.98 : x
  2. Step 2: Convert to fraction form
    7,156,606.89/9,876,160.46 = 3,893,444.98/x
  3. Step 3: Cross multiply
    7,156,606.89x = 9,876,160.46 × 3,893,444.98
  4. Step 4: Simplify right side
    7,156,606.89x = 38,452,287,349,704.70
  5. Step 5: Solve for x
    x = 38,452,287,349,704.70/7,156,606.89
  6. Step 6: Final answer
    x = 5,372,977.43

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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.