Home / 10,673,628.78-14,729,429.10-5,778,811.13

Finding the Fourth Proportional to 10,673,628.78, 14,729,429.10 and 5,778,811.13

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Solution

The fourth proportional to 10,673,628.78, 14,729,429.10 and 5,778,811.13 is: 7,974,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673,628.78 : 14,729,429.10 = 5,778,811.13 : x
  2. Step 2: Convert to fraction form
    10,673,628.78/14,729,429.10 = 5,778,811.13/x
  3. Step 3: Cross multiply
    10,673,628.78x = 14,729,429.10 × 5,778,811.13
  4. Step 4: Simplify right side
    10,673,628.78x = 85,118,588,858,449.45
  5. Step 5: Solve for x
    x = 85,118,588,858,449.45/10,673,628.78
  6. Step 6: Final answer
    x = 7,974,662.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.