Home / 8,790,761.28-13,187,630.70-3,031,931.28

Finding the Fourth Proportional to 8,790,761.28, 13,187,630.70 and 3,031,931.28

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Solution

The fourth proportional to 8,790,761.28, 13,187,630.70 and 3,031,931.28 is: 4,548,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,761.28 : 13,187,630.70 = 3,031,931.28 : x
  2. Step 2: Convert to fraction form
    8,790,761.28/13,187,630.70 = 3,031,931.28/x
  3. Step 3: Cross multiply
    8,790,761.28x = 13,187,630.70 × 3,031,931.28
  4. Step 4: Simplify right side
    8,790,761.28x = 39,983,990,028,418.29
  5. Step 5: Solve for x
    x = 39,983,990,028,418.29/8,790,761.28
  6. Step 6: Final answer
    x = 4,548,410.40

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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.