Home / 20,290,228.08-30,435,403.64-4,937,520.20

Finding the Fourth Proportional to 20,290,228.08, 30,435,403.64 and 4,937,520.20

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Solution

The fourth proportional to 20,290,228.08, 30,435,403.64 and 4,937,520.20 is: 7,406,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290,228.08 : 30,435,403.64 = 4,937,520.20 : x
  2. Step 2: Convert to fraction form
    20,290,228.08/30,435,403.64 = 4,937,520.20/x
  3. Step 3: Cross multiply
    20,290,228.08x = 30,435,403.64 × 4,937,520.20
  4. Step 4: Simplify right side
    20,290,228.08x = 150,275,420,267,653.53
  5. Step 5: Solve for x
    x = 150,275,420,267,653.53/20,290,228.08
  6. Step 6: Final answer
    x = 7,406,295.27

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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.