Home / 19,886,266.92-27,439,886.32-11,182,758.64

Finding the Fourth Proportional to 19,886,266.92, 27,439,886.32 and 11,182,758.64

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Solution

The fourth proportional to 19,886,266.92, 27,439,886.32 and 11,182,758.64 is: 15,430,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,266.92 : 27,439,886.32 = 11,182,758.64 : x
  2. Step 2: Convert to fraction form
    19,886,266.92/27,439,886.32 = 11,182,758.64/x
  3. Step 3: Cross multiply
    19,886,266.92x = 27,439,886.32 × 11,182,758.64
  4. Step 4: Simplify right side
    19,886,266.92x = 306,853,625,825,597.81
  5. Step 5: Solve for x
    x = 306,853,625,825,597.81/19,886,266.92
  6. Step 6: Final answer
    x = 15,430,428.80

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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.