Home / 21,005,084.20-31,504,826.70-5,857,747.24

Finding the Fourth Proportional to 21,005,084.20, 31,504,826.70 and 5,857,747.24

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Solution

The fourth proportional to 21,005,084.20, 31,504,826.70 and 5,857,747.24 is: 8,785,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,005,084.20 : 31,504,826.70 = 5,857,747.24 : x
  2. Step 2: Convert to fraction form
    21,005,084.20/31,504,826.70 = 5,857,747.24/x
  3. Step 3: Cross multiply
    21,005,084.20x = 31,504,826.70 × 5,857,747.24
  4. Step 4: Simplify right side
    21,005,084.20x = 184,547,311,648,603.31
  5. Step 5: Solve for x
    x = 184,547,311,648,603.31/21,005,084.20
  6. Step 6: Final answer
    x = 8,785,840.13

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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.