Home / 48,401,764.80-72,602,647.20-12,499,972.80

Finding the Fourth Proportional to 48,401,764.80, 72,602,647.20 and 12,499,972.80

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Solution

The fourth proportional to 48,401,764.80, 72,602,647.20 and 12,499,972.80 is: 18,749,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401,764.80 : 72,602,647.20 = 12,499,972.80 : x
  2. Step 2: Convert to fraction form
    48,401,764.80/72,602,647.20 = 12,499,972.80/x
  3. Step 3: Cross multiply
    48,401,764.80x = 72,602,647.20 × 12,499,972.80
  4. Step 4: Simplify right side
    48,401,764.80x = 907,531,115,207,996.25
  5. Step 5: Solve for x
    x = 907,531,115,207,996.25/48,401,764.80
  6. Step 6: Final answer
    x = 18,749,959.20

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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.