Home / 13,262,998-19,894,495.86-3,678,376.36

Finding the Fourth Proportional to 13,262,998, 19,894,495.86 and 3,678,376.36

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Solution

The fourth proportional to 13,262,998, 19,894,495.86 and 3,678,376.36 is: 5,517,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,998 : 19,894,495.86 = 3,678,376.36 : x
  2. Step 2: Convert to fraction form
    13,262,998/19,894,495.86 = 3,678,376.36/x
  3. Step 3: Cross multiply
    13,262,998x = 19,894,495.86 × 3,678,376.36
  4. Step 4: Simplify right side
    13,262,998x = 73,179,443,265,541.86
  5. Step 5: Solve for x
    x = 73,179,443,265,541.86/13,262,998
  6. Step 6: Final answer
    x = 5,517,564.22

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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.