Home / 9,341,746.61-12,891,618.38-5,211,778.60

Finding the Fourth Proportional to 9,341,746.61, 12,891,618.38 and 5,211,778.60

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Solution

The fourth proportional to 9,341,746.61, 12,891,618.38 and 5,211,778.60 is: 7,192,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,746.61 : 12,891,618.38 = 5,211,778.60 : x
  2. Step 2: Convert to fraction form
    9,341,746.61/12,891,618.38 = 5,211,778.60/x
  3. Step 3: Cross multiply
    9,341,746.61x = 12,891,618.38 × 5,211,778.60
  4. Step 4: Simplify right side
    9,341,746.61x = 67,188,260,748,879.29
  5. Step 5: Solve for x
    x = 67,188,260,748,879.29/9,341,746.61
  6. Step 6: Final answer
    x = 7,192,258.96

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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.