Home / 12,917,899.02-19,363,540.41-5,732,816.70

Finding the Fourth Proportional to 12,917,899.02, 19,363,540.41 and 5,732,816.70

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Solution

The fourth proportional to 12,917,899.02, 19,363,540.41 and 5,732,816.70 is: 8,593,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,899.02 : 19,363,540.41 = 5,732,816.70 : x
  2. Step 2: Convert to fraction form
    12,917,899.02/19,363,540.41 = 5,732,816.70/x
  3. Step 3: Cross multiply
    12,917,899.02x = 19,363,540.41 × 5,732,816.70
  4. Step 4: Simplify right side
    12,917,899.02x = 111,007,627,833,572.84
  5. Step 5: Solve for x
    x = 111,007,627,833,572.84/12,917,899.02
  6. Step 6: Final answer
    x = 8,593,319.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.