Home / 20,681,987.36-30,993,943.14-16,344,969.50

Finding the Fourth Proportional to 20,681,987.36, 30,993,943.14 and 16,344,969.50

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Solution

The fourth proportional to 20,681,987.36, 30,993,943.14 and 16,344,969.50 is: 24,494,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,987.36 : 30,993,943.14 = 16,344,969.50 : x
  2. Step 2: Convert to fraction form
    20,681,987.36/30,993,943.14 = 16,344,969.50/x
  3. Step 3: Cross multiply
    20,681,987.36x = 30,993,943.14 × 16,344,969.50
  4. Step 4: Simplify right side
    20,681,987.36x = 506,595,055,308,034.25
  5. Step 5: Solve for x
    x = 506,595,055,308,034.25/20,681,987.36
  6. Step 6: Final answer
    x = 24,494,505.60

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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.