Home / 7,709,953.50-10,639,969.11-4,271,872.86

Finding the Fourth Proportional to 7,709,953.50, 10,639,969.11 and 4,271,872.86

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Solution

The fourth proportional to 7,709,953.50, 10,639,969.11 and 4,271,872.86 is: 5,895,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,953.50 : 10,639,969.11 = 4,271,872.86 : x
  2. Step 2: Convert to fraction form
    7,709,953.50/10,639,969.11 = 4,271,872.86/x
  3. Step 3: Cross multiply
    7,709,953.50x = 10,639,969.11 × 4,271,872.86
  4. Step 4: Simplify right side
    7,709,953.50x = 45,452,595,272,247.36
  5. Step 5: Solve for x
    x = 45,452,595,272,247.36/7,709,953.50
  6. Step 6: Final answer
    x = 5,895,313.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.