Home / 25,183,427.20-37,775,140.80-20,144,579.20

Finding the Fourth Proportional to 25,183,427.20, 37,775,140.80 and 20,144,579.20

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Solution

The fourth proportional to 25,183,427.20, 37,775,140.80 and 20,144,579.20 is: 30,216,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183,427.20 : 37,775,140.80 = 20,144,579.20 : x
  2. Step 2: Convert to fraction form
    25,183,427.20/37,775,140.80 = 20,144,579.20/x
  3. Step 3: Cross multiply
    25,183,427.20x = 37,775,140.80 × 20,144,579.20
  4. Step 4: Simplify right side
    25,183,427.20x = 760,964,315,636,751.25
  5. Step 5: Solve for x
    x = 760,964,315,636,751.25/25,183,427.20
  6. Step 6: Final answer
    x = 30,216,868.80

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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.