Home / 9,269,633.48-12,791,648.49-5,139,832.46

Finding the Fourth Proportional to 9,269,633.48, 12,791,648.49 and 5,139,832.46

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Solution

The fourth proportional to 9,269,633.48, 12,791,648.49 and 5,139,832.46 is: 7,092,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269,633.48 : 12,791,648.49 = 5,139,832.46 : x
  2. Step 2: Convert to fraction form
    9,269,633.48/12,791,648.49 = 5,139,832.46/x
  3. Step 3: Cross multiply
    9,269,633.48x = 12,791,648.49 × 5,139,832.46
  4. Step 4: Simplify right side
    9,269,633.48x = 65,746,930,125,811.98
  5. Step 5: Solve for x
    x = 65,746,930,125,811.98/9,269,633.48
  6. Step 6: Final answer
    x = 7,092,721.66

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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.