Home / 10,553,619.70-15,830,429.55-5,504,274.10

Finding the Fourth Proportional to 10,553,619.70, 15,830,429.55 and 5,504,274.10

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Solution

The fourth proportional to 10,553,619.70, 15,830,429.55 and 5,504,274.10 is: 8,256,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,619.70 : 15,830,429.55 = 5,504,274.10 : x
  2. Step 2: Convert to fraction form
    10,553,619.70/15,830,429.55 = 5,504,274.10/x
  3. Step 3: Cross multiply
    10,553,619.70x = 15,830,429.55 × 5,504,274.10
  4. Step 4: Simplify right side
    10,553,619.70x = 87,135,023,363,939.66
  5. Step 5: Solve for x
    x = 87,135,023,363,939.66/10,553,619.70
  6. Step 6: Final answer
    x = 8,256,411.15

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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.