Home / 12,843,011.20-19,264,516.80-8,585,219.20

Finding the Fourth Proportional to 12,843,011.20, 19,264,516.80 and 8,585,219.20

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Solution

The fourth proportional to 12,843,011.20, 19,264,516.80 and 8,585,219.20 is: 12,877,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,011.20 : 19,264,516.80 = 8,585,219.20 : x
  2. Step 2: Convert to fraction form
    12,843,011.20/19,264,516.80 = 8,585,219.20/x
  3. Step 3: Cross multiply
    12,843,011.20x = 19,264,516.80 × 8,585,219.20
  4. Step 4: Simplify right side
    12,843,011.20x = 165,390,099,510,082.56
  5. Step 5: Solve for x
    x = 165,390,099,510,082.56/12,843,011.20
  6. Step 6: Final answer
    x = 12,877,828.80

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1.5x scale

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.