Home / 8,376,005.20-12,564,007.80-5,506,223.80

Finding the Fourth Proportional to 8,376,005.20, 12,564,007.80 and 5,506,223.80

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Solution

The fourth proportional to 8,376,005.20, 12,564,007.80 and 5,506,223.80 is: 8,259,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376,005.20 : 12,564,007.80 = 5,506,223.80 : x
  2. Step 2: Convert to fraction form
    8,376,005.20/12,564,007.80 = 5,506,223.80/x
  3. Step 3: Cross multiply
    8,376,005.20x = 12,564,007.80 × 5,506,223.80
  4. Step 4: Simplify right side
    8,376,005.20x = 69,180,238,771,745.64
  5. Step 5: Solve for x
    x = 69,180,238,771,745.64/8,376,005.20
  6. Step 6: Final answer
    x = 8,259,335.70

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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.