Home / 48,338,374.82-72,506,851.80-11,946,768.30

Finding the Fourth Proportional to 48,338,374.82, 72,506,851.80 and 11,946,768.30

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Solution

The fourth proportional to 48,338,374.82, 72,506,851.80 and 11,946,768.30 is: 17,919,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,374.82 : 72,506,851.80 = 11,946,768.30 : x
  2. Step 2: Convert to fraction form
    48,338,374.82/72,506,851.80 = 11,946,768.30/x
  3. Step 3: Cross multiply
    48,338,374.82x = 72,506,851.80 × 11,946,768.30
  4. Step 4: Simplify right side
    48,338,374.82x = 866,222,558,405,903.88
  5. Step 5: Solve for x
    x = 866,222,558,405,903.88/48,338,374.82
  6. Step 6: Final answer
    x = 17,919,976.86

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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.