Home / 7,884,921.40-11,832,047.70-5,749,631.80

Finding the Fourth Proportional to 7,884,921.40, 11,832,047.70 and 5,749,631.80

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Solution

The fourth proportional to 7,884,921.40, 11,832,047.70 and 5,749,631.80 is: 8,627,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,921.40 : 11,832,047.70 = 5,749,631.80 : x
  2. Step 2: Convert to fraction form
    7,884,921.40/11,832,047.70 = 5,749,631.80/x
  3. Step 3: Cross multiply
    7,884,921.40x = 11,832,047.70 × 5,749,631.80
  4. Step 4: Simplify right side
    7,884,921.40x = 68,029,917,715,036.85
  5. Step 5: Solve for x
    x = 68,029,917,715,036.85/7,884,921.40
  6. Step 6: Final answer
    x = 8,627,849.82

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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.