Home / 18,982,663.98-28,484,361.75-8,051,153.28

Finding the Fourth Proportional to 18,982,663.98, 28,484,361.75 and 8,051,153.28

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Solution

The fourth proportional to 18,982,663.98, 28,484,361.75 and 8,051,153.28 is: 12,081,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,663.98 : 28,484,361.75 = 8,051,153.28 : x
  2. Step 2: Convert to fraction form
    18,982,663.98/28,484,361.75 = 8,051,153.28/x
  3. Step 3: Cross multiply
    18,982,663.98x = 28,484,361.75 × 8,051,153.28
  4. Step 4: Simplify right side
    18,982,663.98x = 229,331,962,532,219.06
  5. Step 5: Solve for x
    x = 229,331,962,532,219.06/18,982,663.98
  6. Step 6: Final answer
    x = 12,081,126.38

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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.