Home / 7,791,899.49-11,687,849.24-2,112,123.80

Finding the Fourth Proportional to 7,791,899.49, 11,687,849.24 and 2,112,123.80

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Solution

The fourth proportional to 7,791,899.49, 11,687,849.24 and 2,112,123.80 is: 3,168,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,899.49 : 11,687,849.24 = 2,112,123.80 : x
  2. Step 2: Convert to fraction form
    7,791,899.49/11,687,849.24 = 2,112,123.80/x
  3. Step 3: Cross multiply
    7,791,899.49x = 11,687,849.24 × 2,112,123.80
  4. Step 4: Simplify right side
    7,791,899.49x = 24,686,184,569,274.92
  5. Step 5: Solve for x
    x = 24,686,184,569,274.92/7,791,899.49
  6. Step 6: Final answer
    x = 3,168,185.70

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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.