Home / 8,370,641.52-12,557,142.72-2,688,960.96

Finding the Fourth Proportional to 8,370,641.52, 12,557,142.72 and 2,688,960.96

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Solution

The fourth proportional to 8,370,641.52, 12,557,142.72 and 2,688,960.96 is: 4,033,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370,641.52 : 12,557,142.72 = 2,688,960.96 : x
  2. Step 2: Convert to fraction form
    8,370,641.52/12,557,142.72 = 2,688,960.96/x
  3. Step 3: Cross multiply
    8,370,641.52x = 12,557,142.72 × 2,688,960.96
  4. Step 4: Simplify right side
    8,370,641.52x = 33,765,666,543,228.21
  5. Step 5: Solve for x
    x = 33,765,666,543,228.21/8,370,641.52
  6. Step 6: Final answer
    x = 4,033,820.64

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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.