Home / 20,169,851.70-30,254,777.55-5,023,783.20

Finding the Fourth Proportional to 20,169,851.70, 30,254,777.55 and 5,023,783.20

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Solution

The fourth proportional to 20,169,851.70, 30,254,777.55 and 5,023,783.20 is: 7,535,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,851.70 : 30,254,777.55 = 5,023,783.20 : x
  2. Step 2: Convert to fraction form
    20,169,851.70/30,254,777.55 = 5,023,783.20/x
  3. Step 3: Cross multiply
    20,169,851.70x = 30,254,777.55 × 5,023,783.20
  4. Step 4: Simplify right side
    20,169,851.70x = 151,993,443,175,427.16
  5. Step 5: Solve for x
    x = 151,993,443,175,427.16/20,169,851.70
  6. Step 6: Final answer
    x = 7,535,674.80

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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.