Home / 16,920,021.40-25,380,032.10-5,561,618.20

Finding the Fourth Proportional to 16,920,021.40, 25,380,032.10 and 5,561,618.20

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Solution

The fourth proportional to 16,920,021.40, 25,380,032.10 and 5,561,618.20 is: 8,342,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920,021.40 : 25,380,032.10 = 5,561,618.20 : x
  2. Step 2: Convert to fraction form
    16,920,021.40/25,380,032.10 = 5,561,618.20/x
  3. Step 3: Cross multiply
    16,920,021.40x = 25,380,032.10 × 5,561,618.20
  4. Step 4: Simplify right side
    16,920,021.40x = 141,154,048,443,944.22
  5. Step 5: Solve for x
    x = 141,154,048,443,944.22/16,920,021.40
  6. Step 6: Final answer
    x = 8,342,427.30

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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.