Home / 10,405,763.47-15,614,027.13-7,550,669.39

Finding the Fourth Proportional to 10,405,763.47, 15,614,027.13 and 7,550,669.39

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Solution

The fourth proportional to 10,405,763.47, 15,614,027.13 and 7,550,669.39 is: 11,329,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,763.47 : 15,614,027.13 = 7,550,669.39 : x
  2. Step 2: Convert to fraction form
    10,405,763.47/15,614,027.13 = 7,550,669.39/x
  3. Step 3: Cross multiply
    10,405,763.47x = 15,614,027.13 × 7,550,669.39
  4. Step 4: Simplify right side
    10,405,763.47x = 117,896,356,705,120.55
  5. Step 5: Solve for x
    x = 117,896,356,705,120.55/10,405,763.47
  6. Step 6: Final answer
    x = 11,329,909.34

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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.