Home / 10,012,893.89-13,818,065.25-5,662,630.74

Finding the Fourth Proportional to 10,012,893.89, 13,818,065.25 and 5,662,630.74

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Solution

The fourth proportional to 10,012,893.89, 13,818,065.25 and 5,662,630.74 is: 7,814,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,893.89 : 13,818,065.25 = 5,662,630.74 : x
  2. Step 2: Convert to fraction form
    10,012,893.89/13,818,065.25 = 5,662,630.74/x
  3. Step 3: Cross multiply
    10,012,893.89x = 13,818,065.25 × 5,662,630.74
  4. Step 4: Simplify right side
    10,012,893.89x = 78,246,601,051,975.78
  5. Step 5: Solve for x
    x = 78,246,601,051,975.78/10,012,893.89
  6. Step 6: Final answer
    x = 7,814,584.07

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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.