Home / 8,570,860.66-11,828,128.87-4,703,520.21

Finding the Fourth Proportional to 8,570,860.66, 11,828,128.87 and 4,703,520.21

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Solution

The fourth proportional to 8,570,860.66, 11,828,128.87 and 4,703,520.21 is: 6,491,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570,860.66 : 11,828,128.87 = 4,703,520.21 : x
  2. Step 2: Convert to fraction form
    8,570,860.66/11,828,128.87 = 4,703,520.21/x
  3. Step 3: Cross multiply
    8,570,860.66x = 11,828,128.87 × 4,703,520.21
  4. Step 4: Simplify right side
    8,570,860.66x = 55,633,843,163,011.86
  5. Step 5: Solve for x
    x = 55,633,843,163,011.86/8,570,860.66
  6. Step 6: Final answer
    x = 6,491,045.11

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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.