Home / 5,400,565.20-8,100,847.80-4,989,992.40

Finding the Fourth Proportional to 5,400,565.20, 8,100,847.80 and 4,989,992.40

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Solution

The fourth proportional to 5,400,565.20, 8,100,847.80 and 4,989,992.40 is: 7,484,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400,565.20 : 8,100,847.80 = 4,989,992.40 : x
  2. Step 2: Convert to fraction form
    5,400,565.20/8,100,847.80 = 4,989,992.40/x
  3. Step 3: Cross multiply
    5,400,565.20x = 8,100,847.80 × 4,989,992.40
  4. Step 4: Simplify right side
    5,400,565.20x = 40,423,168,955,556.72
  5. Step 5: Solve for x
    x = 40,423,168,955,556.72/5,400,565.20
  6. Step 6: Final answer
    x = 7,484,988.60

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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.