Home / 20,385,581.96-30,578,435.84-5,032,873.40

Finding the Fourth Proportional to 20,385,581.96, 30,578,435.84 and 5,032,873.40

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Solution

The fourth proportional to 20,385,581.96, 30,578,435.84 and 5,032,873.40 is: 7,549,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,581.96 : 30,578,435.84 = 5,032,873.40 : x
  2. Step 2: Convert to fraction form
    20,385,581.96/30,578,435.84 = 5,032,873.40/x
  3. Step 3: Cross multiply
    20,385,581.96x = 30,578,435.84 × 5,032,873.40
  4. Step 4: Simplify right side
    20,385,581.96x = 153,897,396,352,742.66
  5. Step 5: Solve for x
    x = 153,897,396,352,742.66/20,385,581.96
  6. Step 6: Final answer
    x = 7,549,325.63

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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.