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Finding the Fourth Proportional to 10,865,362.05, 16,298,043.08 and 10,865,362.05

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Solution

The fourth proportional to 10,865,362.05, 16,298,043.08 and 10,865,362.05 is: 16,298,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,362.05 : 16,298,043.08 = 10,865,362.05 : x
  2. Step 2: Convert to fraction form
    10,865,362.05/16,298,043.08 = 10,865,362.05/x
  3. Step 3: Cross multiply
    10,865,362.05x = 16,298,043.08 × 10,865,362.05
  4. Step 4: Simplify right side
    10,865,362.05x = 177,084,138,716,370.31
  5. Step 5: Solve for x
    x = 177,084,138,716,370.31/10,865,362.05
  6. Step 6: Final answer
    x = 16,298,043.08

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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.