Home / 8,430,100.65-11,633,821-5,166,285.08

Finding the Fourth Proportional to 8,430,100.65, 11,633,821 and 5,166,285.08

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Solution

The fourth proportional to 8,430,100.65, 11,633,821 and 5,166,285.08 is: 7,129,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,100.65 : 11,633,821 = 5,166,285.08 : x
  2. Step 2: Convert to fraction form
    8,430,100.65/11,633,821 = 5,166,285.08/x
  3. Step 3: Cross multiply
    8,430,100.65x = 11,633,821 × 5,166,285.08
  4. Step 4: Simplify right side
    8,430,100.65x = 60,103,635,855,690.68
  5. Step 5: Solve for x
    x = 60,103,635,855,690.68/8,430,100.65
  6. Step 6: Final answer
    x = 7,129,646.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.