Home / 11,830,409.78-16,326,014.69-6,397,901.78

Finding the Fourth Proportional to 11,830,409.78, 16,326,014.69 and 6,397,901.78

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Solution

The fourth proportional to 11,830,409.78, 16,326,014.69 and 6,397,901.78 is: 8,829,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,409.78 : 16,326,014.69 = 6,397,901.78 : x
  2. Step 2: Convert to fraction form
    11,830,409.78/16,326,014.69 = 6,397,901.78/x
  3. Step 3: Cross multiply
    11,830,409.78x = 16,326,014.69 × 6,397,901.78
  4. Step 4: Simplify right side
    11,830,409.78x = 104,452,238,331,837.58
  5. Step 5: Solve for x
    x = 104,452,238,331,837.58/11,830,409.78
  6. Step 6: Final answer
    x = 8,829,131.05

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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.