Home / 7,102,684.40-10,641,779.40-3,308,385.20

Finding the Fourth Proportional to 7,102,684.40, 10,641,779.40 and 3,308,385.20

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Solution

The fourth proportional to 7,102,684.40, 10,641,779.40 and 3,308,385.20 is: 4,956,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,684.40 : 10,641,779.40 = 3,308,385.20 : x
  2. Step 2: Convert to fraction form
    7,102,684.40/10,641,779.40 = 3,308,385.20/x
  3. Step 3: Cross multiply
    7,102,684.40x = 10,641,779.40 × 3,308,385.20
  4. Step 4: Simplify right side
    7,102,684.40x = 35,207,105,468,624.88
  5. Step 5: Solve for x
    x = 35,207,105,468,624.88/7,102,684.40
  6. Step 6: Final answer
    x = 4,956,873.13

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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.