Home / 28,331,339.60-42,497,009.40-22,662,635.60

Finding the Fourth Proportional to 28,331,339.60, 42,497,009.40 and 22,662,635.60

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Solution

The fourth proportional to 28,331,339.60, 42,497,009.40 and 22,662,635.60 is: 33,993,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,339.60 : 42,497,009.40 = 22,662,635.60 : x
  2. Step 2: Convert to fraction form
    28,331,339.60/42,497,009.40 = 22,662,635.60/x
  3. Step 3: Cross multiply
    28,331,339.60x = 42,497,009.40 × 22,662,635.60
  4. Step 4: Simplify right side
    28,331,339.60x = 963,094,238,121,974.62
  5. Step 5: Solve for x
    x = 963,094,238,121,974.62/28,331,339.60
  6. Step 6: Final answer
    x = 33,993,953.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.