Home / 13,787,567.70-20,681,351.55-11,661,803.70

Finding the Fourth Proportional to 13,787,567.70, 20,681,351.55 and 11,661,803.70

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Solution

The fourth proportional to 13,787,567.70, 20,681,351.55 and 11,661,803.70 is: 17,492,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,567.70 : 20,681,351.55 = 11,661,803.70 : x
  2. Step 2: Convert to fraction form
    13,787,567.70/20,681,351.55 = 11,661,803.70/x
  3. Step 3: Cross multiply
    13,787,567.70x = 20,681,351.55 × 11,661,803.70
  4. Step 4: Simplify right side
    13,787,567.70x = 241,181,862,026,790.72
  5. Step 5: Solve for x
    x = 241,181,862,026,790.72/13,787,567.70
  6. Step 6: Final answer
    x = 17,492,705.55

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Similar ratio
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1.5x scale

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.