Home / 18,788,395.44-25,927,545.78-11,053,935.12

Finding the Fourth Proportional to 18,788,395.44, 25,927,545.78 and 11,053,935.12

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Solution

The fourth proportional to 18,788,395.44, 25,927,545.78 and 11,053,935.12 is: 15,254,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788,395.44 : 25,927,545.78 = 11,053,935.12 : x
  2. Step 2: Convert to fraction form
    18,788,395.44/25,927,545.78 = 11,053,935.12/x
  3. Step 3: Cross multiply
    18,788,395.44x = 25,927,545.78 × 11,053,935.12
  4. Step 4: Simplify right side
    18,788,395.44x = 286,601,408,872,949.81
  5. Step 5: Solve for x
    x = 286,601,408,872,949.81/18,788,395.44
  6. Step 6: Final answer
    x = 15,254,171.64

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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.