Home / 11,591,155.40-17,386,733.10-7,336,128.20

Finding the Fourth Proportional to 11,591,155.40, 17,386,733.10 and 7,336,128.20

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Solution

The fourth proportional to 11,591,155.40, 17,386,733.10 and 7,336,128.20 is: 11,004,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,155.40 : 17,386,733.10 = 7,336,128.20 : x
  2. Step 2: Convert to fraction form
    11,591,155.40/17,386,733.10 = 7,336,128.20/x
  3. Step 3: Cross multiply
    11,591,155.40x = 17,386,733.10 × 7,336,128.20
  4. Step 4: Simplify right side
    11,591,155.40x = 127,551,303,000,783.44
  5. Step 5: Solve for x
    x = 127,551,303,000,783.44/11,591,155.40
  6. Step 6: Final answer
    x = 11,004,192.30

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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.