Home / 14,261,605.20-21,392,407.80-13,253,835.60

Finding the Fourth Proportional to 14,261,605.20, 21,392,407.80 and 13,253,835.60

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Solution

The fourth proportional to 14,261,605.20, 21,392,407.80 and 13,253,835.60 is: 19,880,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261,605.20 : 21,392,407.80 = 13,253,835.60 : x
  2. Step 2: Convert to fraction form
    14,261,605.20/21,392,407.80 = 13,253,835.60/x
  3. Step 3: Cross multiply
    14,261,605.20x = 21,392,407.80 × 13,253,835.60
  4. Step 4: Simplify right side
    14,261,605.20x = 283,531,456,069,357.69
  5. Step 5: Solve for x
    x = 283,531,456,069,357.69/14,261,605.20
  6. Step 6: Final answer
    x = 19,880,753.40

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1.5x scale

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.