Home / 20,180,870.10-30,275,288.90-7,401,485.52

Finding the Fourth Proportional to 20,180,870.10, 30,275,288.90 and 7,401,485.52

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Solution

The fourth proportional to 20,180,870.10, 30,275,288.90 and 7,401,485.52 is: 11,103,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,870.10 : 30,275,288.90 = 7,401,485.52 : x
  2. Step 2: Convert to fraction form
    20,180,870.10/30,275,288.90 = 7,401,485.52/x
  3. Step 3: Cross multiply
    20,180,870.10x = 30,275,288.90 × 7,401,485.52
  4. Step 4: Simplify right side
    20,180,870.10x = 224,082,112,407,166.72
  5. Step 5: Solve for x
    x = 224,082,112,407,166.72/20,180,870.10
  6. Step 6: Final answer
    x = 11,103,689.35

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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.