Home / 8,910,261.77-12,294,404.37-5,424,664.91

Finding the Fourth Proportional to 8,910,261.77, 12,294,404.37 and 5,424,664.91

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Solution

The fourth proportional to 8,910,261.77, 12,294,404.37 and 5,424,664.91 is: 7,484,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,261.77 : 12,294,404.37 = 5,424,664.91 : x
  2. Step 2: Convert to fraction form
    8,910,261.77/12,294,404.37 = 5,424,664.91/x
  3. Step 3: Cross multiply
    8,910,261.77x = 12,294,404.37 × 5,424,664.91
  4. Step 4: Simplify right side
    8,910,261.77x = 66,693,023,913,817.63
  5. Step 5: Solve for x
    x = 66,693,023,913,817.63/8,910,261.77
  6. Step 6: Final answer
    x = 7,484,967.97

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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.