Home / 7,934,861.89-10,803,617.38-7,909,667.65

Finding the Fourth Proportional to 7,934,861.89, 10,803,617.38 and 7,909,667.65

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Solution

The fourth proportional to 7,934,861.89, 10,803,617.38 and 7,909,667.65 is: 10,769,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934,861.89 : 10,803,617.38 = 7,909,667.65 : x
  2. Step 2: Convert to fraction form
    7,934,861.89/10,803,617.38 = 7,909,667.65/x
  3. Step 3: Cross multiply
    7,934,861.89x = 10,803,617.38 × 7,909,667.65
  4. Step 4: Simplify right side
    7,934,861.89x = 85,453,022,893,563.77
  5. Step 5: Solve for x
    x = 85,453,022,893,563.77/7,934,861.89
  6. Step 6: Final answer
    x = 10,769,314.46

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.