Home / 11,490,647.76-15,857,086.47-6,263,665.92

Finding the Fourth Proportional to 11,490,647.76, 15,857,086.47 and 6,263,665.92

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Solution

The fourth proportional to 11,490,647.76, 15,857,086.47 and 6,263,665.92 is: 8,643,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490,647.76 : 15,857,086.47 = 6,263,665.92 : x
  2. Step 2: Convert to fraction form
    11,490,647.76/15,857,086.47 = 6,263,665.92/x
  3. Step 3: Cross multiply
    11,490,647.76x = 15,857,086.47 × 6,263,665.92
  4. Step 4: Simplify right side
    11,490,647.76x = 99,323,492,112,632.11
  5. Step 5: Solve for x
    x = 99,323,492,112,632.11/11,490,647.76
  6. Step 6: Final answer
    x = 8,643,854.91

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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.