Home / 15,638,511.34-21,568,350.62-11,007,626.32

Finding the Fourth Proportional to 15,638,511.34, 21,568,350.62 and 11,007,626.32

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Solution

The fourth proportional to 15,638,511.34, 21,568,350.62 and 11,007,626.32 is: 15,181,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638,511.34 : 21,568,350.62 = 11,007,626.32 : x
  2. Step 2: Convert to fraction form
    15,638,511.34/21,568,350.62 = 11,007,626.32/x
  3. Step 3: Cross multiply
    15,638,511.34x = 21,568,350.62 × 11,007,626.32
  4. Step 4: Simplify right side
    15,638,511.34x = 237,416,343,963,700.34
  5. Step 5: Solve for x
    x = 237,416,343,963,700.34/15,638,511.34
  6. Step 6: Final answer
    x = 15,181,518.16

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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.