Home / 12,822,520.79-19,237,376.99-5,151,552.28

Finding the Fourth Proportional to 12,822,520.79, 19,237,376.99 and 5,151,552.28

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Solution

The fourth proportional to 12,822,520.79, 19,237,376.99 and 5,151,552.28 is: 7,728,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,520.79 : 19,237,376.99 = 5,151,552.28 : x
  2. Step 2: Convert to fraction form
    12,822,520.79/19,237,376.99 = 5,151,552.28/x
  3. Step 3: Cross multiply
    12,822,520.79x = 19,237,376.99 × 5,151,552.28
  4. Step 4: Simplify right side
    12,822,520.79x = 99,102,353,220,202.83
  5. Step 5: Solve for x
    x = 99,102,353,220,202.83/12,822,520.79
  6. Step 6: Final answer
    x = 7,728,773.06

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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.