Home / 21,038,300.91-31,555,001.93-5,684,861.07

Finding the Fourth Proportional to 21,038,300.91, 31,555,001.93 and 5,684,861.07

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Solution

The fourth proportional to 21,038,300.91, 31,555,001.93 and 5,684,861.07 is: 8,526,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,300.91 : 31,555,001.93 = 5,684,861.07 : x
  2. Step 2: Convert to fraction form
    21,038,300.91/31,555,001.93 = 5,684,861.07/x
  3. Step 3: Cross multiply
    21,038,300.91x = 31,555,001.93 × 5,684,861.07
  4. Step 4: Simplify right side
    21,038,300.91x = 179,385,802,007,207.56
  5. Step 5: Solve for x
    x = 179,385,802,007,207.56/21,038,300.91
  6. Step 6: Final answer
    x = 8,526,629.73

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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.