Home / 12,904,663.13-19,356,991.21-4,818,269.36

Finding the Fourth Proportional to 12,904,663.13, 19,356,991.21 and 4,818,269.36

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Solution

The fourth proportional to 12,904,663.13, 19,356,991.21 and 4,818,269.36 is: 7,227,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,663.13 : 19,356,991.21 = 4,818,269.36 : x
  2. Step 2: Convert to fraction form
    12,904,663.13/19,356,991.21 = 4,818,269.36/x
  3. Step 3: Cross multiply
    12,904,663.13x = 19,356,991.21 × 4,818,269.36
  4. Step 4: Simplify right side
    12,904,663.13x = 93,267,197,601,243.86
  5. Step 5: Solve for x
    x = 93,267,197,601,243.86/12,904,663.13
  6. Step 6: Final answer
    x = 7,227,402.74

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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.