Home / 8,520,849.25-11,758,865.47-4,653,484.20

Finding the Fourth Proportional to 8,520,849.25, 11,758,865.47 and 4,653,484.20

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Solution

The fourth proportional to 8,520,849.25, 11,758,865.47 and 4,653,484.20 is: 6,421,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,849.25 : 11,758,865.47 = 4,653,484.20 : x
  2. Step 2: Convert to fraction form
    8,520,849.25/11,758,865.47 = 4,653,484.20/x
  3. Step 3: Cross multiply
    8,520,849.25x = 11,758,865.47 × 4,653,484.20
  4. Step 4: Simplify right side
    8,520,849.25x = 54,719,694,662,936.86
  5. Step 5: Solve for x
    x = 54,719,694,662,936.86/8,520,849.25
  6. Step 6: Final answer
    x = 6,421,859.26

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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.