Home / 22,140,938.80-33,211,408.20-12,575,000.80

Finding the Fourth Proportional to 22,140,938.80, 33,211,408.20 and 12,575,000.80

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Solution

The fourth proportional to 22,140,938.80, 33,211,408.20 and 12,575,000.80 is: 18,862,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140,938.80 : 33,211,408.20 = 12,575,000.80 : x
  2. Step 2: Convert to fraction form
    22,140,938.80/33,211,408.20 = 12,575,000.80/x
  3. Step 3: Cross multiply
    22,140,938.80x = 33,211,408.20 × 12,575,000.80
  4. Step 4: Simplify right side
    22,140,938.80x = 417,633,484,684,126.56
  5. Step 5: Solve for x
    x = 417,633,484,684,126.56/22,140,938.80
  6. Step 6: Final answer
    x = 18,862,501.20

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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.