Home / 9,196,448.10-12,690,145.50-5,663,685.78

Finding the Fourth Proportional to 9,196,448.10, 12,690,145.50 and 5,663,685.78

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Solution

The fourth proportional to 9,196,448.10, 12,690,145.50 and 5,663,685.78 is: 7,815,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,448.10 : 12,690,145.50 = 5,663,685.78 : x
  2. Step 2: Convert to fraction form
    9,196,448.10/12,690,145.50 = 5,663,685.78/x
  3. Step 3: Cross multiply
    9,196,448.10x = 12,690,145.50 × 5,663,685.78
  4. Step 4: Simplify right side
    9,196,448.10x = 71,872,996,614,481
  5. Step 5: Solve for x
    x = 71,872,996,614,481/9,196,448.10
  6. Step 6: Final answer
    x = 7,815,299.54

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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.