Home / 7,102,715.40-10,641,825.90-3,308,416.20

Finding the Fourth Proportional to 7,102,715.40, 10,641,825.90 and 3,308,416.20

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Solution

The fourth proportional to 7,102,715.40, 10,641,825.90 and 3,308,416.20 is: 4,956,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,715.40 : 10,641,825.90 = 3,308,416.20 : x
  2. Step 2: Convert to fraction form
    7,102,715.40/10,641,825.90 = 3,308,416.20/x
  3. Step 3: Cross multiply
    7,102,715.40x = 10,641,825.90 × 3,308,416.20
  4. Step 4: Simplify right side
    7,102,715.40x = 35,207,589,205,139.59
  5. Step 5: Solve for x
    x = 35,207,589,205,139.59/7,102,715.40
  6. Step 6: Final answer
    x = 4,956,919.60

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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.