Home / 6,642,708.70-9,982,725.45-5,821,563.10

Finding the Fourth Proportional to 6,642,708.70, 9,982,725.45 and 5,821,563.10

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Solution

The fourth proportional to 6,642,708.70, 9,982,725.45 and 5,821,563.10 is: 8,748,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,708.70 : 9,982,725.45 = 5,821,563.10 : x
  2. Step 2: Convert to fraction form
    6,642,708.70/9,982,725.45 = 5,821,563.10/x
  3. Step 3: Cross multiply
    6,642,708.70x = 9,982,725.45 × 5,821,563.10
  4. Step 4: Simplify right side
    6,642,708.70x = 58,115,066,117,150.89
  5. Step 5: Solve for x
    x = 58,115,066,117,150.89/6,642,708.70
  6. Step 6: Final answer
    x = 8,748,700.08

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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.