Home / 12,354,012.05-18,504,948.56-9,911,943.76

Finding the Fourth Proportional to 12,354,012.05, 18,504,948.56 and 9,911,943.76

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Solution

The fourth proportional to 12,354,012.05, 18,504,948.56 and 9,911,943.76 is: 14,846,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,012.05 : 18,504,948.56 = 9,911,943.76 : x
  2. Step 2: Convert to fraction form
    12,354,012.05/18,504,948.56 = 9,911,943.76/x
  3. Step 3: Cross multiply
    12,354,012.05x = 18,504,948.56 × 9,911,943.76
  4. Step 4: Simplify right side
    12,354,012.05x = 183,420,009,347,287.69
  5. Step 5: Solve for x
    x = 183,420,009,347,287.69/12,354,012.05
  6. Step 6: Final answer
    x = 14,846,999.39

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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.