Home / 11,685,712.39-16,127,117.60-6,458,608.10

Finding the Fourth Proportional to 11,685,712.39, 16,127,117.60 and 6,458,608.10

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Solution

The fourth proportional to 11,685,712.39, 16,127,117.60 and 6,458,608.10 is: 8,913,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,712.39 : 16,127,117.60 = 6,458,608.10 : x
  2. Step 2: Convert to fraction form
    11,685,712.39/16,127,117.60 = 6,458,608.10/x
  3. Step 3: Cross multiply
    11,685,712.39x = 16,127,117.60 × 6,458,608.10
  4. Step 4: Simplify right side
    11,685,712.39x = 104,158,732,369,037.31
  5. Step 5: Solve for x
    x = 104,158,732,369,037.31/11,685,712.39
  6. Step 6: Final answer
    x = 8,913,340.40

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Double scale
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Similar ratio
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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.