Home / 21,338,662.70-32,006,864.90-5,987,021.06

Finding the Fourth Proportional to 21,338,662.70, 32,006,864.90 and 5,987,021.06

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Solution

The fourth proportional to 21,338,662.70, 32,006,864.90 and 5,987,021.06 is: 8,980,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338,662.70 : 32,006,864.90 = 5,987,021.06 : x
  2. Step 2: Convert to fraction form
    21,338,662.70/32,006,864.90 = 5,987,021.06/x
  3. Step 3: Cross multiply
    21,338,662.70x = 32,006,864.90 × 5,987,021.06
  4. Step 4: Simplify right side
    21,338,662.70x = 191,625,774,030,905.34
  5. Step 5: Solve for x
    x = 191,625,774,030,905.34/21,338,662.70
  6. Step 6: Final answer
    x = 8,980,214.78

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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.