Home / 28,738,265.70-39,641,094.93-20,481,001.02

Finding the Fourth Proportional to 28,738,265.70, 39,641,094.93 and 20,481,001.02

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Solution

The fourth proportional to 28,738,265.70, 39,641,094.93 and 20,481,001.02 is: 28,251,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738,265.70 : 39,641,094.93 = 20,481,001.02 : x
  2. Step 2: Convert to fraction form
    28,738,265.70/39,641,094.93 = 20,481,001.02/x
  3. Step 3: Cross multiply
    28,738,265.70x = 39,641,094.93 × 20,481,001.02
  4. Step 4: Simplify right side
    28,738,265.70x = 811,889,305,695,246.75
  5. Step 5: Solve for x
    x = 811,889,305,695,246.75/28,738,265.70
  6. Step 6: Final answer
    x = 28,251,158.72

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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.