Home / 15,358,064.86-21,194,003.50-8,388,746.84

Finding the Fourth Proportional to 15,358,064.86, 21,194,003.50 and 8,388,746.84

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Solution

The fourth proportional to 15,358,064.86, 21,194,003.50 and 8,388,746.84 is: 11,576,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358,064.86 : 21,194,003.50 = 8,388,746.84 : x
  2. Step 2: Convert to fraction form
    15,358,064.86/21,194,003.50 = 8,388,746.84/x
  3. Step 3: Cross multiply
    15,358,064.86x = 21,194,003.50 × 8,388,746.84
  4. Step 4: Simplify right side
    15,358,064.86x = 177,791,129,887,573.94
  5. Step 5: Solve for x
    x = 177,791,129,887,573.94/15,358,064.86
  6. Step 6: Final answer
    x = 11,576,401.81

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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.