Home / 8,509,746.78-11,793,131.28-8,348,258.70

Finding the Fourth Proportional to 8,509,746.78, 11,793,131.28 and 8,348,258.70

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Solution

The fourth proportional to 8,509,746.78, 11,793,131.28 and 8,348,258.70 is: 11,569,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,746.78 : 11,793,131.28 = 8,348,258.70 : x
  2. Step 2: Convert to fraction form
    8,509,746.78/11,793,131.28 = 8,348,258.70/x
  3. Step 3: Cross multiply
    8,509,746.78x = 11,793,131.28 × 8,348,258.70
  4. Step 4: Simplify right side
    8,509,746.78x = 98,452,110,808,502.12
  5. Step 5: Solve for x
    x = 98,452,110,808,502.12/8,509,746.78
  6. Step 6: Final answer
    x = 11,569,334.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.