Home / 31,580,380.20-47,333,828.70-14,542,775.40

Finding the Fourth Proportional to 31,580,380.20, 47,333,828.70 and 14,542,775.40

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Solution

The fourth proportional to 31,580,380.20, 47,333,828.70 and 14,542,775.40 is: 21,797,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580,380.20 : 47,333,828.70 = 14,542,775.40 : x
  2. Step 2: Convert to fraction form
    31,580,380.20/47,333,828.70 = 14,542,775.40/x
  3. Step 3: Cross multiply
    31,580,380.20x = 47,333,828.70 × 14,542,775.40
  4. Step 4: Simplify right side
    31,580,380.20x = 688,365,239,606,174
  5. Step 5: Solve for x
    x = 688,365,239,606,174/31,580,380.20
  6. Step 6: Final answer
    x = 21,797,243.58

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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.