Home / 7,006,869.65-9,669,466.75-3,909,208.70

Finding the Fourth Proportional to 7,006,869.65, 9,669,466.75 and 3,909,208.70

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Solution

The fourth proportional to 7,006,869.65, 9,669,466.75 and 3,909,208.70 is: 5,394,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,869.65 : 9,669,466.75 = 3,909,208.70 : x
  2. Step 2: Convert to fraction form
    7,006,869.65/9,669,466.75 = 3,909,208.70/x
  3. Step 3: Cross multiply
    7,006,869.65x = 9,669,466.75 × 3,909,208.70
  4. Step 4: Simplify right side
    7,006,869.65x = 37,799,963,485,340.37
  5. Step 5: Solve for x
    x = 37,799,963,485,340.37/7,006,869.65
  6. Step 6: Final answer
    x = 5,394,700.54

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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.