Home / 11,555,137.76-15,946,086.48-6,398,497.94

Finding the Fourth Proportional to 11,555,137.76, 15,946,086.48 and 6,398,497.94

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Solution

The fourth proportional to 11,555,137.76, 15,946,086.48 and 6,398,497.94 is: 8,829,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,137.76 : 15,946,086.48 = 6,398,497.94 : x
  2. Step 2: Convert to fraction form
    11,555,137.76/15,946,086.48 = 6,398,497.94/x
  3. Step 3: Cross multiply
    11,555,137.76x = 15,946,086.48 × 6,398,497.94
  4. Step 4: Simplify right side
    11,555,137.76x = 102,031,001,493,341.86
  5. Step 5: Solve for x
    x = 102,031,001,493,341.86/11,555,137.76
  6. Step 6: Final answer
    x = 8,829,925.15

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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.