Home / 19,131,808.08-28,711,359.16-10,618,954.32

Finding the Fourth Proportional to 19,131,808.08, 28,711,359.16 and 10,618,954.32

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Solution

The fourth proportional to 19,131,808.08, 28,711,359.16 and 10,618,954.32 is: 15,936,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,808.08 : 28,711,359.16 = 10,618,954.32 : x
  2. Step 2: Convert to fraction form
    19,131,808.08/28,711,359.16 = 10,618,954.32/x
  3. Step 3: Cross multiply
    19,131,808.08x = 28,711,359.16 × 10,618,954.32
  4. Step 4: Simplify right side
    19,131,808.08x = 304,884,611,385,153.56
  5. Step 5: Solve for x
    x = 304,884,611,385,153.56/19,131,808.08
  6. Step 6: Final answer
    x = 15,936,006.16

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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.