Home / 13,484,568.89-18,613,765.45-8,838,653.20

Finding the Fourth Proportional to 13,484,568.89, 18,613,765.45 and 8,838,653.20

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Solution

The fourth proportional to 13,484,568.89, 18,613,765.45 and 8,838,653.20 is: 12,200,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,568.89 : 18,613,765.45 = 8,838,653.20 : x
  2. Step 2: Convert to fraction form
    13,484,568.89/18,613,765.45 = 8,838,653.20/x
  3. Step 3: Cross multiply
    13,484,568.89x = 18,613,765.45 × 8,838,653.20
  4. Step 4: Simplify right side
    13,484,568.89x = 164,520,617,550,702.78
  5. Step 5: Solve for x
    x = 164,520,617,550,702.78/13,484,568.89
  6. Step 6: Final answer
    x = 12,200,658.31

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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.