Home / 19,689,522.96-27,171,546.59-10,868,979.36

Finding the Fourth Proportional to 19,689,522.96, 27,171,546.59 and 10,868,979.36

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Solution

The fourth proportional to 19,689,522.96, 27,171,546.59 and 10,868,979.36 is: 14,999,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,522.96 : 27,171,546.59 = 10,868,979.36 : x
  2. Step 2: Convert to fraction form
    19,689,522.96/27,171,546.59 = 10,868,979.36/x
  3. Step 3: Cross multiply
    19,689,522.96x = 27,171,546.59 × 10,868,979.36
  4. Step 4: Simplify right side
    19,689,522.96x = 295,326,979,011,643.50
  5. Step 5: Solve for x
    x = 295,326,979,011,643.50/19,689,522.96
  6. Step 6: Final answer
    x = 14,999,194.22

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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.