Home / 9,905,330.66-14,859,014.09-3,428,395.43

Finding the Fourth Proportional to 9,905,330.66, 14,859,014.09 and 3,428,395.43

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Solution

The fourth proportional to 9,905,330.66, 14,859,014.09 and 3,428,395.43 is: 5,142,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,330.66 : 14,859,014.09 = 3,428,395.43 : x
  2. Step 2: Convert to fraction form
    9,905,330.66/14,859,014.09 = 3,428,395.43/x
  3. Step 3: Cross multiply
    9,905,330.66x = 14,859,014.09 × 3,428,395.43
  4. Step 4: Simplify right side
    9,905,330.66x = 50,942,575,909,024.56
  5. Step 5: Solve for x
    x = 50,942,575,909,024.56/9,905,330.66
  6. Step 6: Final answer
    x = 5,142,945.52

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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.