Home / 12,116,911.44-16,721,068.68-6,684,402

Finding the Fourth Proportional to 12,116,911.44, 16,721,068.68 and 6,684,402

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Solution

The fourth proportional to 12,116,911.44, 16,721,068.68 and 6,684,402 is: 9,224,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,911.44 : 16,721,068.68 = 6,684,402 : x
  2. Step 2: Convert to fraction form
    12,116,911.44/16,721,068.68 = 6,684,402/x
  3. Step 3: Cross multiply
    12,116,911.44x = 16,721,068.68 × 6,684,402
  4. Step 4: Simplify right side
    12,116,911.44x = 111,770,344,926,729.36
  5. Step 5: Solve for x
    x = 111,770,344,926,729.36/12,116,911.44
  6. Step 6: Final answer
    x = 9,224,326.30

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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.