Home / 7,128,834.30-10,693,879.98-2,011,308.90

Finding the Fourth Proportional to 7,128,834.30, 10,693,879.98 and 2,011,308.90

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Solution

The fourth proportional to 7,128,834.30, 10,693,879.98 and 2,011,308.90 is: 3,017,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,834.30 : 10,693,879.98 = 2,011,308.90 : x
  2. Step 2: Convert to fraction form
    7,128,834.30/10,693,879.98 = 2,011,308.90/x
  3. Step 3: Cross multiply
    7,128,834.30x = 10,693,879.98 × 2,011,308.90
  4. Step 4: Simplify right side
    7,128,834.30x = 21,508,695,979,305.82
  5. Step 5: Solve for x
    x = 21,508,695,979,305.82/7,128,834.30
  6. Step 6: Final answer
    x = 3,017,140.68

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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.