Home / 21,127,623.87-31,695,984.78-6,554,248.05

Finding the Fourth Proportional to 21,127,623.87, 31,695,984.78 and 6,554,248.05

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Solution

The fourth proportional to 21,127,623.87, 31,695,984.78 and 6,554,248.05 is: 9,832,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,623.87 : 31,695,984.78 = 6,554,248.05 : x
  2. Step 2: Convert to fraction form
    21,127,623.87/31,695,984.78 = 6,554,248.05/x
  3. Step 3: Cross multiply
    21,127,623.87x = 31,695,984.78 × 6,554,248.05
  4. Step 4: Simplify right side
    21,127,623.87x = 207,743,346,437,144.69
  5. Step 5: Solve for x
    x = 207,743,346,437,144.69/21,127,623.87
  6. Step 6: Final answer
    x = 9,832,783.27

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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.