Home / 7,218,655.58-10,829,139.24-2,900,697.86

Finding the Fourth Proportional to 7,218,655.58, 10,829,139.24 and 2,900,697.86

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Solution

The fourth proportional to 7,218,655.58, 10,829,139.24 and 2,900,697.86 is: 4,351,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,655.58 : 10,829,139.24 = 2,900,697.86 : x
  2. Step 2: Convert to fraction form
    7,218,655.58/10,829,139.24 = 2,900,697.86/x
  3. Step 3: Cross multiply
    7,218,655.58x = 10,829,139.24 × 2,900,697.86
  4. Step 4: Simplify right side
    7,218,655.58x = 31,412,061,019,110.03
  5. Step 5: Solve for x
    x = 31,412,061,019,110.03/7,218,655.58
  6. Step 6: Final answer
    x = 4,351,511.26

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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.