Home / 8,501,776.56-12,698,481.36-7,690,913.52

Finding the Fourth Proportional to 8,501,776.56, 12,698,481.36 and 7,690,913.52

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Solution

The fourth proportional to 8,501,776.56, 12,698,481.36 and 7,690,913.52 is: 11,487,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,776.56 : 12,698,481.36 = 7,690,913.52 : x
  2. Step 2: Convert to fraction form
    8,501,776.56/12,698,481.36 = 7,690,913.52/x
  3. Step 3: Cross multiply
    8,501,776.56x = 12,698,481.36 × 7,690,913.52
  4. Step 4: Simplify right side
    8,501,776.56x = 97,662,921,975,091.98
  5. Step 5: Solve for x
    x = 97,662,921,975,091.98/8,501,776.56
  6. Step 6: Final answer
    x = 11,487,354.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.