Home / 10,169,043.50-15,253,689.40-2,980,722.75

Finding the Fourth Proportional to 10,169,043.50, 15,253,689.40 and 2,980,722.75

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Solution

The fourth proportional to 10,169,043.50, 15,253,689.40 and 2,980,722.75 is: 4,471,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169,043.50 : 15,253,689.40 = 2,980,722.75 : x
  2. Step 2: Convert to fraction form
    10,169,043.50/15,253,689.40 = 2,980,722.75/x
  3. Step 3: Cross multiply
    10,169,043.50x = 15,253,689.40 × 2,980,722.75
  4. Step 4: Simplify right side
    10,169,043.50x = 45,467,018,968,127.27
  5. Step 5: Solve for x
    x = 45,467,018,968,127.27/10,169,043.50
  6. Step 6: Final answer
    x = 4,471,120.51

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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.