Home / 15,539,342.40-23,309,013.60-11,952,014.40

Finding the Fourth Proportional to 15,539,342.40, 23,309,013.60 and 11,952,014.40

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Solution

The fourth proportional to 15,539,342.40, 23,309,013.60 and 11,952,014.40 is: 17,928,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,342.40 : 23,309,013.60 = 11,952,014.40 : x
  2. Step 2: Convert to fraction form
    15,539,342.40/23,309,013.60 = 11,952,014.40/x
  3. Step 3: Cross multiply
    15,539,342.40x = 23,309,013.60 × 11,952,014.40
  4. Step 4: Simplify right side
    15,539,342.40x = 278,589,666,196,995.88
  5. Step 5: Solve for x
    x = 278,589,666,196,995.88/15,539,342.40
  6. Step 6: Final answer
    x = 17,928,021.60

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Similar ratio
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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.