Home / 12,426,807.48-17,140,160.44-8,294,755.28

Finding the Fourth Proportional to 12,426,807.48, 17,140,160.44 and 8,294,755.28

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Solution

The fourth proportional to 12,426,807.48, 17,140,160.44 and 8,294,755.28 is: 11,440,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,807.48 : 17,140,160.44 = 8,294,755.28 : x
  2. Step 2: Convert to fraction form
    12,426,807.48/17,140,160.44 = 8,294,755.28/x
  3. Step 3: Cross multiply
    12,426,807.48x = 17,140,160.44 × 8,294,755.28
  4. Step 4: Simplify right side
    12,426,807.48x = 142,173,436,309,737.12
  5. Step 5: Solve for x
    x = 142,173,436,309,737.12/12,426,807.48
  6. Step 6: Final answer
    x = 11,440,865.77

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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.