Home / 13,666,324.53-20,495,345.86-7,185,907.78

Finding the Fourth Proportional to 13,666,324.53, 20,495,345.86 and 7,185,907.78

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Solution

The fourth proportional to 13,666,324.53, 20,495,345.86 and 7,185,907.78 is: 10,776,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,324.53 : 20,495,345.86 = 7,185,907.78 : x
  2. Step 2: Convert to fraction form
    13,666,324.53/20,495,345.86 = 7,185,907.78/x
  3. Step 3: Cross multiply
    13,666,324.53x = 20,495,345.86 × 7,185,907.78
  4. Step 4: Simplify right side
    13,666,324.53x = 147,277,665,269,164.78
  5. Step 5: Solve for x
    x = 147,277,665,269,164.78/13,666,324.53
  6. Step 6: Final answer
    x = 10,776,684.32

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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.