Home / 30,750,632.19-42,433,741.22-16,998,513.75

Finding the Fourth Proportional to 30,750,632.19, 42,433,741.22 and 16,998,513.75

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Solution

The fourth proportional to 30,750,632.19, 42,433,741.22 and 16,998,513.75 is: 23,456,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750,632.19 : 42,433,741.22 = 16,998,513.75 : x
  2. Step 2: Convert to fraction form
    30,750,632.19/42,433,741.22 = 16,998,513.75/x
  3. Step 3: Cross multiply
    30,750,632.19x = 42,433,741.22 × 16,998,513.75
  4. Step 4: Simplify right side
    30,750,632.19x = 721,310,533,507,119.25
  5. Step 5: Solve for x
    x = 721,310,533,507,119.25/30,750,632.19
  6. Step 6: Final answer
    x = 23,456,770.87

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1.5x scale

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.