Home / 8,509,874.58-11,742,721.32-4,788,640.62

Finding the Fourth Proportional to 8,509,874.58, 11,742,721.32 and 4,788,640.62

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Solution

The fourth proportional to 8,509,874.58, 11,742,721.32 and 4,788,640.62 is: 6,607,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,874.58 : 11,742,721.32 = 4,788,640.62 : x
  2. Step 2: Convert to fraction form
    8,509,874.58/11,742,721.32 = 4,788,640.62/x
  3. Step 3: Cross multiply
    8,509,874.58x = 11,742,721.32 × 4,788,640.62
  4. Step 4: Simplify right side
    8,509,874.58x = 56,231,672,302,292.02
  5. Step 5: Solve for x
    x = 56,231,672,302,292.02/8,509,874.58
  6. Step 6: Final answer
    x = 6,607,814.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.