Home / 25,190,437.20-37,785,655.80-20,151,589.20

Finding the Fourth Proportional to 25,190,437.20, 37,785,655.80 and 20,151,589.20

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Solution

The fourth proportional to 25,190,437.20, 37,785,655.80 and 20,151,589.20 is: 30,227,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190,437.20 : 37,785,655.80 = 20,151,589.20 : x
  2. Step 2: Convert to fraction form
    25,190,437.20/37,785,655.80 = 20,151,589.20/x
  3. Step 3: Cross multiply
    25,190,437.20x = 37,785,655.80 × 20,151,589.20
  4. Step 4: Simplify right side
    25,190,437.20x = 761,441,013,334,197.25
  5. Step 5: Solve for x
    x = 761,441,013,334,197.25/25,190,437.20
  6. Step 6: Final answer
    x = 30,227,383.80

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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.