Home / 12,904,663.50-19,356,991.77-4,818,269.72

Finding the Fourth Proportional to 12,904,663.50, 19,356,991.77 and 4,818,269.72

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Solution

The fourth proportional to 12,904,663.50, 19,356,991.77 and 4,818,269.72 is: 7,227,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,663.50 : 19,356,991.77 = 4,818,269.72 : x
  2. Step 2: Convert to fraction form
    12,904,663.50/19,356,991.77 = 4,818,269.72/x
  3. Step 3: Cross multiply
    12,904,663.50x = 19,356,991.77 × 4,818,269.72
  4. Step 4: Simplify right side
    12,904,663.50x = 93,267,207,315,680.20
  5. Step 5: Solve for x
    x = 93,267,207,315,680.20/12,904,663.50
  6. Step 6: Final answer
    x = 7,227,403.28

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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.