Home / 12,717,289.44-17,549,694.36-6,915,947.40

Finding the Fourth Proportional to 12,717,289.44, 17,549,694.36 and 6,915,947.40

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Solution

The fourth proportional to 12,717,289.44, 17,549,694.36 and 6,915,947.40 is: 9,543,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717,289.44 : 17,549,694.36 = 6,915,947.40 : x
  2. Step 2: Convert to fraction form
    12,717,289.44/17,549,694.36 = 6,915,947.40/x
  3. Step 3: Cross multiply
    12,717,289.44x = 17,549,694.36 × 6,915,947.40
  4. Step 4: Simplify right side
    12,717,289.44x = 121,372,763,079,836.67
  5. Step 5: Solve for x
    x = 121,372,763,079,836.67/12,717,289.44
  6. Step 6: Final answer
    x = 9,543,917.64

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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.