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Finding the Fourth Proportional to 18,313,973.73, 27,471,547.08 and 9,211,103.01

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Solution

The fourth proportional to 18,313,973.73, 27,471,547.08 and 9,211,103.01 is: 13,816,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313,973.73 : 27,471,547.08 = 9,211,103.01 : x
  2. Step 2: Convert to fraction form
    18,313,973.73/27,471,547.08 = 9,211,103.01/x
  3. Step 3: Cross multiply
    18,313,973.73x = 27,471,547.08 × 9,211,103.01
  4. Step 4: Simplify right side
    18,313,973.73x = 253,043,249,997,944.69
  5. Step 5: Solve for x
    x = 253,043,249,997,944.69/18,313,973.73
  6. Step 6: Final answer
    x = 13,816,949.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.