Home / 25,120,200.20-37,680,300.30-18,742,908.20

Finding the Fourth Proportional to 25,120,200.20, 37,680,300.30 and 18,742,908.20

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Solution

The fourth proportional to 25,120,200.20, 37,680,300.30 and 18,742,908.20 is: 28,114,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120,200.20 : 37,680,300.30 = 18,742,908.20 : x
  2. Step 2: Convert to fraction form
    25,120,200.20/37,680,300.30 = 18,742,908.20/x
  3. Step 3: Cross multiply
    25,120,200.20x = 37,680,300.30 × 18,742,908.20
  4. Step 4: Simplify right side
    25,120,200.20x = 706,238,409,471,332.38
  5. Step 5: Solve for x
    x = 706,238,409,471,332.38/25,120,200.20
  6. Step 6: Final answer
    x = 28,114,362.30

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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.