Home / 8,609,430.72-11,880,566.01-5,346,175.41

Finding the Fourth Proportional to 8,609,430.72, 11,880,566.01 and 5,346,175.41

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Solution

The fourth proportional to 8,609,430.72, 11,880,566.01 and 5,346,175.41 is: 7,377,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,430.72 : 11,880,566.01 = 5,346,175.41 : x
  2. Step 2: Convert to fraction form
    8,609,430.72/11,880,566.01 = 5,346,175.41/x
  3. Step 3: Cross multiply
    8,609,430.72x = 11,880,566.01 × 5,346,175.41
  4. Step 4: Simplify right side
    8,609,430.72x = 63,515,589,859,543.81
  5. Step 5: Solve for x
    x = 63,515,589,859,543.81/8,609,430.72
  6. Step 6: Final answer
    x = 7,377,443.63

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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.