Home / 8,678,303.84-11,976,059.04-4,810,815.20

Finding the Fourth Proportional to 8,678,303.84, 11,976,059.04 and 4,810,815.20

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Solution

The fourth proportional to 8,678,303.84, 11,976,059.04 and 4,810,815.20 is: 6,638,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,303.84 : 11,976,059.04 = 4,810,815.20 : x
  2. Step 2: Convert to fraction form
    8,678,303.84/11,976,059.04 = 4,810,815.20/x
  3. Step 3: Cross multiply
    8,678,303.84x = 11,976,059.04 × 4,810,815.20
  4. Step 4: Simplify right side
    8,678,303.84x = 57,614,606,865,729.41
  5. Step 5: Solve for x
    x = 57,614,606,865,729.41/8,678,303.84
  6. Step 6: Final answer
    x = 6,638,924.83

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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.