Home / 14,104,071.20-21,156,106.80-13,253,765.60

Finding the Fourth Proportional to 14,104,071.20, 21,156,106.80 and 13,253,765.60

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Solution

The fourth proportional to 14,104,071.20, 21,156,106.80 and 13,253,765.60 is: 19,880,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104,071.20 : 21,156,106.80 = 13,253,765.60 : x
  2. Step 2: Convert to fraction form
    14,104,071.20/21,156,106.80 = 13,253,765.60/x
  3. Step 3: Cross multiply
    14,104,071.20x = 21,156,106.80 × 13,253,765.60
  4. Step 4: Simplify right side
    14,104,071.20x = 280,398,080,535,766.09
  5. Step 5: Solve for x
    x = 280,398,080,535,766.09/14,104,071.20
  6. Step 6: Final answer
    x = 19,880,648.40

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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.