Home / 10,428,395.78-14,392,669.22-5,783,213.93

Finding the Fourth Proportional to 10,428,395.78, 14,392,669.22 and 5,783,213.93

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Solution

The fourth proportional to 10,428,395.78, 14,392,669.22 and 5,783,213.93 is: 7,981,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,395.78 : 14,392,669.22 = 5,783,213.93 : x
  2. Step 2: Convert to fraction form
    10,428,395.78/14,392,669.22 = 5,783,213.93/x
  3. Step 3: Cross multiply
    10,428,395.78x = 14,392,669.22 × 5,783,213.93
  4. Step 4: Simplify right side
    10,428,395.78x = 83,235,885,122,986.23
  5. Step 5: Solve for x
    x = 83,235,885,122,986.23/10,428,395.78
  6. Step 6: Final answer
    x = 7,981,657.67

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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.