Home / 28,480,278.39-39,301,972.19-16,719,357.63

Finding the Fourth Proportional to 28,480,278.39, 39,301,972.19 and 16,719,357.63

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Solution

The fourth proportional to 28,480,278.39, 39,301,972.19 and 16,719,357.63 is: 23,072,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480,278.39 : 39,301,972.19 = 16,719,357.63 : x
  2. Step 2: Convert to fraction form
    28,480,278.39/39,301,972.19 = 16,719,357.63/x
  3. Step 3: Cross multiply
    28,480,278.39x = 39,301,972.19 × 16,719,357.63
  4. Step 4: Simplify right side
    28,480,278.39x = 657,103,728,608,924.25
  5. Step 5: Solve for x
    x = 657,103,728,608,924.25/28,480,278.39
  6. Step 6: Final answer
    x = 23,072,236.86

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Double scale
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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.