Home / 15,458,987.70-23,188,481.55-9,785,618.10

Finding the Fourth Proportional to 15,458,987.70, 23,188,481.55 and 9,785,618.10

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Solution

The fourth proportional to 15,458,987.70, 23,188,481.55 and 9,785,618.10 is: 14,678,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,987.70 : 23,188,481.55 = 9,785,618.10 : x
  2. Step 2: Convert to fraction form
    15,458,987.70/23,188,481.55 = 9,785,618.10/x
  3. Step 3: Cross multiply
    15,458,987.70x = 23,188,481.55 × 9,785,618.10
  4. Step 4: Simplify right side
    15,458,987.70x = 226,913,624,767,196.06
  5. Step 5: Solve for x
    x = 226,913,624,767,196.06/15,458,987.70
  6. Step 6: Final answer
    x = 14,678,427.15

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Double scale
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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.