Home / 10,013,935.77-13,819,231.40-5,430,260.79

Finding the Fourth Proportional to 10,013,935.77, 13,819,231.40 and 5,430,260.79

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Solution

The fourth proportional to 10,013,935.77, 13,819,231.40 and 5,430,260.79 is: 7,493,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,935.77 : 13,819,231.40 = 5,430,260.79 : x
  2. Step 2: Convert to fraction form
    10,013,935.77/13,819,231.40 = 5,430,260.79/x
  3. Step 3: Cross multiply
    10,013,935.77x = 13,819,231.40 × 5,430,260.79
  4. Step 4: Simplify right side
    10,013,935.77x = 75,042,030,392,205.50
  5. Step 5: Solve for x
    x = 75,042,030,392,205.50/10,013,935.77
  6. Step 6: Final answer
    x = 7,493,759.91

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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.