Home / 20,180,842.17-27,850,467.69-11,363,325.63

Finding the Fourth Proportional to 20,180,842.17, 27,850,467.69 and 11,363,325.63

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Solution

The fourth proportional to 20,180,842.17, 27,850,467.69 and 11,363,325.63 is: 15,681,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,842.17 : 27,850,467.69 = 11,363,325.63 : x
  2. Step 2: Convert to fraction form
    20,180,842.17/27,850,467.69 = 11,363,325.63/x
  3. Step 3: Cross multiply
    20,180,842.17x = 27,850,467.69 × 11,363,325.63
  4. Step 4: Simplify right side
    20,180,842.17x = 316,473,933,309,263.94
  5. Step 5: Solve for x
    x = 316,473,933,309,263.94/20,180,842.17
  6. Step 6: Final answer
    x = 15,681,899.23

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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.