Home / 13,979,513.46-19,291,108.05-7,784,879.70

Finding the Fourth Proportional to 13,979,513.46, 19,291,108.05 and 7,784,879.70

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Solution

The fourth proportional to 13,979,513.46, 19,291,108.05 and 7,784,879.70 is: 10,742,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,513.46 : 19,291,108.05 = 7,784,879.70 : x
  2. Step 2: Convert to fraction form
    13,979,513.46/19,291,108.05 = 7,784,879.70/x
  3. Step 3: Cross multiply
    13,979,513.46x = 19,291,108.05 × 7,784,879.70
  4. Step 4: Simplify right side
    13,979,513.46x = 150,178,955,448,951.59
  5. Step 5: Solve for x
    x = 150,178,955,448,951.59/13,979,513.46
  6. Step 6: Final answer
    x = 10,742,788.43

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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.