Home / 21,004,905.70-31,507,358.55-16,753,377.70

Finding the Fourth Proportional to 21,004,905.70, 31,507,358.55 and 16,753,377.70

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Solution

The fourth proportional to 21,004,905.70, 31,507,358.55 and 16,753,377.70 is: 25,130,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,905.70 : 31,507,358.55 = 16,753,377.70 : x
  2. Step 2: Convert to fraction form
    21,004,905.70/31,507,358.55 = 16,753,377.70/x
  3. Step 3: Cross multiply
    21,004,905.70x = 31,507,358.55 × 16,753,377.70
  4. Step 4: Simplify right side
    21,004,905.70x = 527,854,678,117,474.31
  5. Step 5: Solve for x
    x = 527,854,678,117,474.31/21,004,905.70
  6. Step 6: Final answer
    x = 25,130,066.55

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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.