Home / 8,678,656.98-11,976,709.01-4,758,153.30

Finding the Fourth Proportional to 8,678,656.98, 11,976,709.01 and 4,758,153.30

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Solution

The fourth proportional to 8,678,656.98, 11,976,709.01 and 4,758,153.30 is: 6,566,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,656.98 : 11,976,709.01 = 4,758,153.30 : x
  2. Step 2: Convert to fraction form
    8,678,656.98/11,976,709.01 = 4,758,153.30/x
  3. Step 3: Cross multiply
    8,678,656.98x = 11,976,709.01 × 4,758,153.30
  4. Step 4: Simplify right side
    8,678,656.98x = 56,987,017,475,280.47
  5. Step 5: Solve for x
    x = 56,987,017,475,280.47/8,678,656.98
  6. Step 6: Final answer
    x = 6,566,340.58

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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.