Home / 10,881,750.80-16,308,629.40-6,617,392.40

Finding the Fourth Proportional to 10,881,750.80, 16,308,629.40 and 6,617,392.40

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Solution

The fourth proportional to 10,881,750.80, 16,308,629.40 and 6,617,392.40 is: 9,917,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,750.80 : 16,308,629.40 = 6,617,392.40 : x
  2. Step 2: Convert to fraction form
    10,881,750.80/16,308,629.40 = 6,617,392.40/x
  3. Step 3: Cross multiply
    10,881,750.80x = 16,308,629.40 × 6,617,392.40
  4. Step 4: Simplify right side
    10,881,750.80x = 107,920,600,245,976.56
  5. Step 5: Solve for x
    x = 107,920,600,245,976.56/10,881,750.80
  6. Step 6: Final answer
    x = 9,917,576.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.