Home / 51,022,616.48-76,534,210.44-12,684,129.20

Finding the Fourth Proportional to 51,022,616.48, 76,534,210.44 and 12,684,129.20

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Solution

The fourth proportional to 51,022,616.48, 76,534,210.44 and 12,684,129.20 is: 19,026,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022,616.48 : 76,534,210.44 = 12,684,129.20 : x
  2. Step 2: Convert to fraction form
    51,022,616.48/76,534,210.44 = 12,684,129.20/x
  3. Step 3: Cross multiply
    51,022,616.48x = 76,534,210.44 × 12,684,129.20
  4. Step 4: Simplify right side
    51,022,616.48x = 970,769,813,440,948.75
  5. Step 5: Solve for x
    x = 970,769,813,440,948.75/51,022,616.48
  6. Step 6: Final answer
    x = 19,026,264.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.