Home / 12,484,843.20-18,727,264.80-6,500,433.60

Finding the Fourth Proportional to 12,484,843.20, 18,727,264.80 and 6,500,433.60

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Solution

The fourth proportional to 12,484,843.20, 18,727,264.80 and 6,500,433.60 is: 9,750,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,843.20 : 18,727,264.80 = 6,500,433.60 : x
  2. Step 2: Convert to fraction form
    12,484,843.20/18,727,264.80 = 6,500,433.60/x
  3. Step 3: Cross multiply
    12,484,843.20x = 18,727,264.80 × 6,500,433.60
  4. Step 4: Simplify right side
    12,484,843.20x = 121,735,341,342,017.28
  5. Step 5: Solve for x
    x = 121,735,341,342,017.28/12,484,843.20
  6. Step 6: Final answer
    x = 9,750,650.40

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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.