Home / 7,418,669.28-11,113,518.46-5,112,750.47

Finding the Fourth Proportional to 7,418,669.28, 11,113,518.46 and 5,112,750.47

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Solution

The fourth proportional to 7,418,669.28, 11,113,518.46 and 5,112,750.47 is: 7,659,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,669.28 : 11,113,518.46 = 5,112,750.47 : x
  2. Step 2: Convert to fraction form
    7,418,669.28/11,113,518.46 = 5,112,750.47/x
  3. Step 3: Cross multiply
    7,418,669.28x = 11,113,518.46 × 5,112,750.47
  4. Step 4: Simplify right side
    7,418,669.28x = 56,820,646,744,720.59
  5. Step 5: Solve for x
    x = 56,820,646,744,720.59/7,418,669.28
  6. Step 6: Final answer
    x = 7,659,142.71

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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.