Home / 18,998,535.89-28,497,804.75-7,636,327.31

Finding the Fourth Proportional to 18,998,535.89, 28,497,804.75 and 7,636,327.31

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Solution

The fourth proportional to 18,998,535.89, 28,497,804.75 and 7,636,327.31 is: 11,454,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998,535.89 : 28,497,804.75 = 7,636,327.31 : x
  2. Step 2: Convert to fraction form
    18,998,535.89/28,497,804.75 = 7,636,327.31/x
  3. Step 3: Cross multiply
    18,998,535.89x = 28,497,804.75 × 7,636,327.31
  4. Step 4: Simplify right side
    18,998,535.89x = 217,618,564,758,717.25
  5. Step 5: Solve for x
    x = 217,618,564,758,717.25/18,998,535.89
  6. Step 6: Final answer
    x = 11,454,491.34

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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.