Home / 19,888,451.64-27,446,346.36-11,739,689.64

Finding the Fourth Proportional to 19,888,451.64, 27,446,346.36 and 11,739,689.64

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Solution

The fourth proportional to 19,888,451.64, 27,446,346.36 and 11,739,689.64 is: 16,200,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888,451.64 : 27,446,346.36 = 11,739,689.64 : x
  2. Step 2: Convert to fraction form
    19,888,451.64/27,446,346.36 = 11,739,689.64/x
  3. Step 3: Cross multiply
    19,888,451.64x = 27,446,346.36 × 11,739,689.64
  4. Step 4: Simplify right side
    19,888,451.64x = 322,211,588,018,343.75
  5. Step 5: Solve for x
    x = 322,211,588,018,343.75/19,888,451.64
  6. Step 6: Final answer
    x = 16,200,938.81

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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.