Home / 7,121,579.79-10,665,300.84-3,654,194.85

Finding the Fourth Proportional to 7,121,579.79, 10,665,300.84 and 3,654,194.85

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Solution

The fourth proportional to 7,121,579.79, 10,665,300.84 and 3,654,194.85 is: 5,472,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,579.79 : 10,665,300.84 = 3,654,194.85 : x
  2. Step 2: Convert to fraction form
    7,121,579.79/10,665,300.84 = 3,654,194.85/x
  3. Step 3: Cross multiply
    7,121,579.79x = 10,665,300.84 × 3,654,194.85
  4. Step 4: Simplify right side
    7,121,579.79x = 38,973,087,403,228.67
  5. Step 5: Solve for x
    x = 38,973,087,403,228.67/7,121,579.79
  6. Step 6: Final answer
    x = 5,472,533.98

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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.