Home / 9,715,865.48-13,409,076.50-5,641,484.36

Finding the Fourth Proportional to 9,715,865.48, 13,409,076.50 and 5,641,484.36

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Solution

The fourth proportional to 9,715,865.48, 13,409,076.50 and 5,641,484.36 is: 7,785,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,865.48 : 13,409,076.50 = 5,641,484.36 : x
  2. Step 2: Convert to fraction form
    9,715,865.48/13,409,076.50 = 5,641,484.36/x
  3. Step 3: Cross multiply
    9,715,865.48x = 13,409,076.50 × 5,641,484.36
  4. Step 4: Simplify right side
    9,715,865.48x = 75,647,095,356,793.55
  5. Step 5: Solve for x
    x = 75,647,095,356,793.55/9,715,865.48
  6. Step 6: Final answer
    x = 7,785,934.82

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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.