Home / 12,480,693.20-18,721,039.80-10,567,505.60

Finding the Fourth Proportional to 12,480,693.20, 18,721,039.80 and 10,567,505.60

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Solution

The fourth proportional to 12,480,693.20, 18,721,039.80 and 10,567,505.60 is: 15,851,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,693.20 : 18,721,039.80 = 10,567,505.60 : x
  2. Step 2: Convert to fraction form
    12,480,693.20/18,721,039.80 = 10,567,505.60/x
  3. Step 3: Cross multiply
    12,480,693.20x = 18,721,039.80 × 10,567,505.60
  4. Step 4: Simplify right side
    12,480,693.20x = 197,834,692,924,322.88
  5. Step 5: Solve for x
    x = 197,834,692,924,322.88/12,480,693.20
  6. Step 6: Final answer
    x = 15,851,258.40

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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.