Home / 15,165,417.07-20,923,165.47-8,634,425.53

Finding the Fourth Proportional to 15,165,417.07, 20,923,165.47 and 8,634,425.53

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Solution

The fourth proportional to 15,165,417.07, 20,923,165.47 and 8,634,425.53 is: 11,912,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165,417.07 : 20,923,165.47 = 8,634,425.53 : x
  2. Step 2: Convert to fraction form
    15,165,417.07/20,923,165.47 = 8,634,425.53/x
  3. Step 3: Cross multiply
    15,165,417.07x = 20,923,165.47 × 8,634,425.53
  4. Step 4: Simplify right side
    15,165,417.07x = 180,659,514,102,582.44
  5. Step 5: Solve for x
    x = 180,659,514,102,582.44/15,165,417.07
  6. Step 6: Final answer
    x = 11,912,597.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.