Home / 8,363,038.78-11,519,490.09-5,911,435

Finding the Fourth Proportional to 8,363,038.78, 11,519,490.09 and 5,911,435

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Solution

The fourth proportional to 8,363,038.78, 11,519,490.09 and 5,911,435 is: 8,142,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363,038.78 : 11,519,490.09 = 5,911,435 : x
  2. Step 2: Convert to fraction form
    8,363,038.78/11,519,490.09 = 5,911,435/x
  3. Step 3: Cross multiply
    8,363,038.78x = 11,519,490.09 × 5,911,435
  4. Step 4: Simplify right side
    8,363,038.78x = 68,096,716,900,179.15
  5. Step 5: Solve for x
    x = 68,096,716,900,179.15/8,363,038.78
  6. Step 6: Final answer
    x = 8,142,580.55

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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.