Home / 10,368,904.70-15,553,357.05-8,857,250.30

Finding the Fourth Proportional to 10,368,904.70, 15,553,357.05 and 8,857,250.30

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Solution

The fourth proportional to 10,368,904.70, 15,553,357.05 and 8,857,250.30 is: 13,285,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,904.70 : 15,553,357.05 = 8,857,250.30 : x
  2. Step 2: Convert to fraction form
    10,368,904.70/15,553,357.05 = 8,857,250.30/x
  3. Step 3: Cross multiply
    10,368,904.70x = 15,553,357.05 × 8,857,250.30
  4. Step 4: Simplify right side
    10,368,904.70x = 137,759,976,397,119.64
  5. Step 5: Solve for x
    x = 137,759,976,397,119.64/10,368,904.70
  6. Step 6: Final answer
    x = 13,285,875.45

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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.