Home / 9,029,911.05-12,457,729.80-5,160,356.24

Finding the Fourth Proportional to 9,029,911.05, 12,457,729.80 and 5,160,356.24

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Solution

The fourth proportional to 9,029,911.05, 12,457,729.80 and 5,160,356.24 is: 7,119,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029,911.05 : 12,457,729.80 = 5,160,356.24 : x
  2. Step 2: Convert to fraction form
    9,029,911.05/12,457,729.80 = 5,160,356.24/x
  3. Step 3: Cross multiply
    9,029,911.05x = 12,457,729.80 × 5,160,356.24
  4. Step 4: Simplify right side
    9,029,911.05x = 64,286,323,647,375.31
  5. Step 5: Solve for x
    x = 64,286,323,647,375.31/9,029,911.05
  6. Step 6: Final answer
    x = 7,119,264.33

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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.