Home / 13,564,425.90-20,346,310.80-8,168,987.55

Finding the Fourth Proportional to 13,564,425.90, 20,346,310.80 and 8,168,987.55

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Solution

The fourth proportional to 13,564,425.90, 20,346,310.80 and 8,168,987.55 is: 12,253,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,425.90 : 20,346,310.80 = 8,168,987.55 : x
  2. Step 2: Convert to fraction form
    13,564,425.90/20,346,310.80 = 8,168,987.55/x
  3. Step 3: Cross multiply
    13,564,425.90x = 20,346,310.80 × 8,168,987.55
  4. Step 4: Simplify right side
    13,564,425.90x = 166,208,759,613,630.53
  5. Step 5: Solve for x
    x = 166,208,759,613,630.53/13,564,425.90
  6. Step 6: Final answer
    x = 12,253,283.76

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1.5x scale

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.