Home / 19,491,127.68-26,900,159.96-11,120,558.11

Finding the Fourth Proportional to 19,491,127.68, 26,900,159.96 and 11,120,558.11

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Solution

The fourth proportional to 19,491,127.68, 26,900,159.96 and 11,120,558.11 is: 15,347,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491,127.68 : 26,900,159.96 = 11,120,558.11 : x
  2. Step 2: Convert to fraction form
    19,491,127.68/26,900,159.96 = 11,120,558.11/x
  3. Step 3: Cross multiply
    19,491,127.68x = 26,900,159.96 × 11,120,558.11
  4. Step 4: Simplify right side
    19,491,127.68x = 299,144,792,003,475.25
  5. Step 5: Solve for x
    x = 299,144,792,003,475.25/19,491,127.68
  6. Step 6: Final answer
    x = 15,347,741.65

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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.