Home / 25,207,857.20-37,748,800.20-20,169,009.20

Finding the Fourth Proportional to 25,207,857.20, 37,748,800.20 and 20,169,009.20

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Solution

The fourth proportional to 25,207,857.20, 37,748,800.20 and 20,169,009.20 is: 30,203,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207,857.20 : 37,748,800.20 = 20,169,009.20 : x
  2. Step 2: Convert to fraction form
    25,207,857.20/37,748,800.20 = 20,169,009.20/x
  3. Step 3: Cross multiply
    25,207,857.20x = 37,748,800.20 × 20,169,009.20
  4. Step 4: Simplify right side
    25,207,857.20x = 761,355,898,522,761.88
  5. Step 5: Solve for x
    x = 761,355,898,522,761.88/25,207,857.20
  6. Step 6: Final answer
    x = 30,203,118.52

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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.