Home / 21,555,000.40-32,332,500.60-11,315,903.80

Finding the Fourth Proportional to 21,555,000.40, 32,332,500.60 and 11,315,903.80

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Solution

The fourth proportional to 21,555,000.40, 32,332,500.60 and 11,315,903.80 is: 16,973,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,000.40 : 32,332,500.60 = 11,315,903.80 : x
  2. Step 2: Convert to fraction form
    21,555,000.40/32,332,500.60 = 11,315,903.80/x
  3. Step 3: Cross multiply
    21,555,000.40x = 32,332,500.60 × 11,315,903.80
  4. Step 4: Simplify right side
    21,555,000.40x = 365,871,466,403,042.31
  5. Step 5: Solve for x
    x = 365,871,466,403,042.31/21,555,000.40
  6. Step 6: Final answer
    x = 16,973,855.70

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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.