Home / 20,158,187.13-30,241,567.22-6,512,116.32

Finding the Fourth Proportional to 20,158,187.13, 30,241,567.22 and 6,512,116.32

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Solution

The fourth proportional to 20,158,187.13, 30,241,567.22 and 6,512,116.32 is: 9,769,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,187.13 : 30,241,567.22 = 6,512,116.32 : x
  2. Step 2: Convert to fraction form
    20,158,187.13/30,241,567.22 = 6,512,116.32/x
  3. Step 3: Cross multiply
    20,158,187.13x = 30,241,567.22 × 6,512,116.32
  4. Step 4: Simplify right side
    20,158,187.13x = 196,936,603,403,178.47
  5. Step 5: Solve for x
    x = 196,936,603,403,178.47/20,158,187.13
  6. Step 6: Final answer
    x = 9,769,559.24

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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.