Home / 17,021,618.40-25,532,427.60-16,685,695.20

Finding the Fourth Proportional to 17,021,618.40, 25,532,427.60 and 16,685,695.20

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Solution

The fourth proportional to 17,021,618.40, 25,532,427.60 and 16,685,695.20 is: 25,028,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021,618.40 : 25,532,427.60 = 16,685,695.20 : x
  2. Step 2: Convert to fraction form
    17,021,618.40/25,532,427.60 = 16,685,695.20/x
  3. Step 3: Cross multiply
    17,021,618.40x = 25,532,427.60 × 16,685,695.20
  4. Step 4: Simplify right side
    17,021,618.40x = 426,026,304,649,667.50
  5. Step 5: Solve for x
    x = 426,026,304,649,667.50/17,021,618.40
  6. Step 6: Final answer
    x = 25,028,542.80

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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.