Home / 30,267,622.20-45,401,433.30-21,020,548.80

Finding the Fourth Proportional to 30,267,622.20, 45,401,433.30 and 21,020,548.80

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Solution

The fourth proportional to 30,267,622.20, 45,401,433.30 and 21,020,548.80 is: 31,530,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267,622.20 : 45,401,433.30 = 21,020,548.80 : x
  2. Step 2: Convert to fraction form
    30,267,622.20/45,401,433.30 = 21,020,548.80/x
  3. Step 3: Cross multiply
    30,267,622.20x = 45,401,433.30 × 21,020,548.80
  4. Step 4: Simplify right side
    30,267,622.20x = 954,363,044,272,595
  5. Step 5: Solve for x
    x = 954,363,044,272,595/30,267,622.20
  6. Step 6: Final answer
    x = 31,530,823.20

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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.