Home / 30,338,171.28-41,867,073.48-16,587,151.20

Finding the Fourth Proportional to 30,338,171.28, 41,867,073.48 and 16,587,151.20

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Solution

The fourth proportional to 30,338,171.28, 41,867,073.48 and 16,587,151.20 is: 22,890,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,171.28 : 41,867,073.48 = 16,587,151.20 : x
  2. Step 2: Convert to fraction form
    30,338,171.28/41,867,073.48 = 16,587,151.20/x
  3. Step 3: Cross multiply
    30,338,171.28x = 41,867,073.48 × 16,587,151.20
  4. Step 4: Simplify right side
    30,338,171.28x = 694,455,478,114,270.12
  5. Step 5: Solve for x
    x = 694,455,478,114,270.12/30,338,171.28
  6. Step 6: Final answer
    x = 22,890,485.77

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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.