Home / 8,124,368.40-11,192,785.44-5,673,096.78

Finding the Fourth Proportional to 8,124,368.40, 11,192,785.44 and 5,673,096.78

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Solution

The fourth proportional to 8,124,368.40, 11,192,785.44 and 5,673,096.78 is: 7,815,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,368.40 : 11,192,785.44 = 5,673,096.78 : x
  2. Step 2: Convert to fraction form
    8,124,368.40/11,192,785.44 = 5,673,096.78/x
  3. Step 3: Cross multiply
    8,124,368.40x = 11,192,785.44 × 5,673,096.78
  4. Step 4: Simplify right side
    8,124,368.40x = 63,497,755,038,894.88
  5. Step 5: Solve for x
    x = 63,497,755,038,894.88/8,124,368.40
  6. Step 6: Final answer
    x = 7,815,715.87

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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.