Home / 8,688,329.76-13,034,601.56-2,622,699.12

Finding the Fourth Proportional to 8,688,329.76, 13,034,601.56 and 2,622,699.12

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Solution

The fourth proportional to 8,688,329.76, 13,034,601.56 and 2,622,699.12 is: 3,934,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,329.76 : 13,034,601.56 = 2,622,699.12 : x
  2. Step 2: Convert to fraction form
    8,688,329.76/13,034,601.56 = 2,622,699.12/x
  3. Step 3: Cross multiply
    8,688,329.76x = 13,034,601.56 × 2,622,699.12
  4. Step 4: Simplify right side
    8,688,329.76x = 34,185,838,040,962.63
  5. Step 5: Solve for x
    x = 34,185,838,040,962.63/8,688,329.76
  6. Step 6: Final answer
    x = 3,934,684.68

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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.