Home / 20,657,222.60-30,985,833.90-19,481,491.40

Finding the Fourth Proportional to 20,657,222.60, 30,985,833.90 and 19,481,491.40

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Solution

The fourth proportional to 20,657,222.60, 30,985,833.90 and 19,481,491.40 is: 29,222,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,222.60 : 30,985,833.90 = 19,481,491.40 : x
  2. Step 2: Convert to fraction form
    20,657,222.60/30,985,833.90 = 19,481,491.40/x
  3. Step 3: Cross multiply
    20,657,222.60x = 30,985,833.90 × 19,481,491.40
  4. Step 4: Simplify right side
    20,657,222.60x = 603,650,256,644,678.38
  5. Step 5: Solve for x
    x = 603,650,256,644,678.38/20,657,222.60
  6. Step 6: Final answer
    x = 29,222,237.10

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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.