Home / 12,623,624.64-17,420,681.88-6,822,392.76

Finding the Fourth Proportional to 12,623,624.64, 17,420,681.88 and 6,822,392.76

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Solution

The fourth proportional to 12,623,624.64, 17,420,681.88 and 6,822,392.76 is: 9,414,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,624.64 : 17,420,681.88 = 6,822,392.76 : x
  2. Step 2: Convert to fraction form
    12,623,624.64/17,420,681.88 = 6,822,392.76/x
  3. Step 3: Cross multiply
    12,623,624.64x = 17,420,681.88 × 6,822,392.76
  4. Step 4: Simplify right side
    12,623,624.64x = 118,850,733,932,375.17
  5. Step 5: Solve for x
    x = 118,850,733,932,375.17/12,623,624.64
  6. Step 6: Final answer
    x = 9,414,945.18

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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.