Home / 14,311,582.40-19,749,968.78-7,785,196.30

Finding the Fourth Proportional to 14,311,582.40, 19,749,968.78 and 7,785,196.30

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Solution

The fourth proportional to 14,311,582.40, 19,749,968.78 and 7,785,196.30 is: 10,743,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311,582.40 : 19,749,968.78 = 7,785,196.30 : x
  2. Step 2: Convert to fraction form
    14,311,582.40/19,749,968.78 = 7,785,196.30/x
  3. Step 3: Cross multiply
    14,311,582.40x = 19,749,968.78 × 7,785,196.30
  4. Step 4: Simplify right side
    14,311,582.40x = 153,757,383,856,932.97
  5. Step 5: Solve for x
    x = 153,757,383,856,932.97/14,311,582.40
  6. Step 6: Final answer
    x = 10,743,562.77

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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.