Home / 13,946,886.40-20,916,182.40-5,422,316.80

Finding the Fourth Proportional to 13,946,886.40, 20,916,182.40 and 5,422,316.80

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Solution

The fourth proportional to 13,946,886.40, 20,916,182.40 and 5,422,316.80 is: 8,131,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946,886.40 : 20,916,182.40 = 5,422,316.80 : x
  2. Step 2: Convert to fraction form
    13,946,886.40/20,916,182.40 = 5,422,316.80/x
  3. Step 3: Cross multiply
    13,946,886.40x = 20,916,182.40 × 5,422,316.80
  4. Step 4: Simplify right side
    13,946,886.40x = 113,414,167,219,384.31
  5. Step 5: Solve for x
    x = 113,414,167,219,384.31/13,946,886.40
  6. Step 6: Final answer
    x = 8,131,862.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.