Home / 8,333,363.72-11,497,490.40-5,431,695.86

Finding the Fourth Proportional to 8,333,363.72, 11,497,490.40 and 5,431,695.86

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Solution

The fourth proportional to 8,333,363.72, 11,497,490.40 and 5,431,695.86 is: 7,494,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,363.72 : 11,497,490.40 = 5,431,695.86 : x
  2. Step 2: Convert to fraction form
    8,333,363.72/11,497,490.40 = 5,431,695.86/x
  3. Step 3: Cross multiply
    8,333,363.72x = 11,497,490.40 × 5,431,695.86
  4. Step 4: Simplify right side
    8,333,363.72x = 62,450,871,006,069.75
  5. Step 5: Solve for x
    x = 62,450,871,006,069.75/8,333,363.72
  6. Step 6: Final answer
    x = 7,494,077.19

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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.