Home / 13,487,513.90-20,224,272.45-4,963,462.70

Finding the Fourth Proportional to 13,487,513.90, 20,224,272.45 and 4,963,462.70

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Solution

The fourth proportional to 13,487,513.90, 20,224,272.45 and 4,963,462.70 is: 7,442,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,513.90 : 20,224,272.45 = 4,963,462.70 : x
  2. Step 2: Convert to fraction form
    13,487,513.90/20,224,272.45 = 4,963,462.70/x
  3. Step 3: Cross multiply
    13,487,513.90x = 20,224,272.45 × 4,963,462.70
  4. Step 4: Simplify right side
    13,487,513.90x = 100,382,421,940,212.61
  5. Step 5: Solve for x
    x = 100,382,421,940,212.61/13,487,513.90
  6. Step 6: Final answer
    x = 7,442,618.61

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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.