Home / 10,462,664.70-15,693,997.05-5,415,522.30

Finding the Fourth Proportional to 10,462,664.70, 15,693,997.05 and 5,415,522.30

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Solution

The fourth proportional to 10,462,664.70, 15,693,997.05 and 5,415,522.30 is: 8,123,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462,664.70 : 15,693,997.05 = 5,415,522.30 : x
  2. Step 2: Convert to fraction form
    10,462,664.70/15,693,997.05 = 5,415,522.30/x
  3. Step 3: Cross multiply
    10,462,664.70x = 15,693,997.05 × 5,415,522.30
  4. Step 4: Simplify right side
    10,462,664.70x = 84,991,191,000,409.22
  5. Step 5: Solve for x
    x = 84,991,191,000,409.22/10,462,664.70
  6. Step 6: Final answer
    x = 8,123,283.45

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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.