Home / 19,890,660.56-29,835,999.11-8,948,068.83

Finding the Fourth Proportional to 19,890,660.56, 29,835,999.11 and 8,948,068.83

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Solution

The fourth proportional to 19,890,660.56, 29,835,999.11 and 8,948,068.83 is: 13,422,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,660.56 : 29,835,999.11 = 8,948,068.83 : x
  2. Step 2: Convert to fraction form
    19,890,660.56/29,835,999.11 = 8,948,068.83/x
  3. Step 3: Cross multiply
    19,890,660.56x = 29,835,999.11 × 8,948,068.83
  4. Step 4: Simplify right side
    19,890,660.56x = 266,974,573,674,208.69
  5. Step 5: Solve for x
    x = 266,974,573,674,208.69/19,890,660.56
  6. Step 6: Final answer
    x = 13,422,106.97

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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.