Home / 13,306,599.98-18,363,120.99-7,195,026.86

Finding the Fourth Proportional to 13,306,599.98, 18,363,120.99 and 7,195,026.86

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Solution

The fourth proportional to 13,306,599.98, 18,363,120.99 and 7,195,026.86 is: 9,929,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,599.98 : 18,363,120.99 = 7,195,026.86 : x
  2. Step 2: Convert to fraction form
    13,306,599.98/18,363,120.99 = 7,195,026.86/x
  3. Step 3: Cross multiply
    13,306,599.98x = 18,363,120.99 × 7,195,026.86
  4. Step 4: Simplify right side
    13,306,599.98x = 132,123,148,756,479.78
  5. Step 5: Solve for x
    x = 132,123,148,756,479.78/13,306,599.98
  6. Step 6: Final answer
    x = 9,929,144.11

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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.