Home / 6,742,991.80-10,123,818.90-5,324,649.40

Finding the Fourth Proportional to 6,742,991.80, 10,123,818.90 and 5,324,649.40

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Solution

The fourth proportional to 6,742,991.80, 10,123,818.90 and 5,324,649.40 is: 7,994,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742,991.80 : 10,123,818.90 = 5,324,649.40 : x
  2. Step 2: Convert to fraction form
    6,742,991.80/10,123,818.90 = 5,324,649.40/x
  3. Step 3: Cross multiply
    6,742,991.80x = 10,123,818.90 × 5,324,649.40
  4. Step 4: Simplify right side
    6,742,991.80x = 53,905,786,231,593.66
  5. Step 5: Solve for x
    x = 53,905,786,231,593.66/6,742,991.80
  6. Step 6: Final answer
    x = 7,994,342.55

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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.