Home / 25,120,195.20-37,680,292.80-18,742,903.20

Finding the Fourth Proportional to 25,120,195.20, 37,680,292.80 and 18,742,903.20

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Solution

The fourth proportional to 25,120,195.20, 37,680,292.80 and 18,742,903.20 is: 28,114,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120,195.20 : 37,680,292.80 = 18,742,903.20 : x
  2. Step 2: Convert to fraction form
    25,120,195.20/37,680,292.80 = 18,742,903.20/x
  3. Step 3: Cross multiply
    25,120,195.20x = 37,680,292.80 × 18,742,903.20
  4. Step 4: Simplify right side
    25,120,195.20x = 706,238,080,498,056.88
  5. Step 5: Solve for x
    x = 706,238,080,498,056.88/25,120,195.20
  6. Step 6: Final answer
    x = 28,114,354.80

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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.