Home / 15,045,909.52-20,763,602.24-8,519,366.92

Finding the Fourth Proportional to 15,045,909.52, 20,763,602.24 and 8,519,366.92

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Solution

The fourth proportional to 15,045,909.52, 20,763,602.24 and 8,519,366.92 is: 11,756,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045,909.52 : 20,763,602.24 = 8,519,366.92 : x
  2. Step 2: Convert to fraction form
    15,045,909.52/20,763,602.24 = 8,519,366.92/x
  3. Step 3: Cross multiply
    15,045,909.52x = 20,763,602.24 × 8,519,366.92
  4. Step 4: Simplify right side
    15,045,909.52x = 176,892,746,063,493.88
  5. Step 5: Solve for x
    x = 176,892,746,063,493.88/15,045,909.52
  6. Step 6: Final answer
    x = 11,756,866.27

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1.5x scale

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.