Home / 7,721,420.06-10,656,504.60-4,458,229.31

Finding the Fourth Proportional to 7,721,420.06, 10,656,504.60 and 4,458,229.31

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Solution

The fourth proportional to 7,721,420.06, 10,656,504.60 and 4,458,229.31 is: 6,152,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,420.06 : 10,656,504.60 = 4,458,229.31 : x
  2. Step 2: Convert to fraction form
    7,721,420.06/10,656,504.60 = 4,458,229.31/x
  3. Step 3: Cross multiply
    7,721,420.06x = 10,656,504.60 × 4,458,229.31
  4. Step 4: Simplify right side
    7,721,420.06x = 47,509,141,149,869.82
  5. Step 5: Solve for x
    x = 47,509,141,149,869.82/7,721,420.06
  6. Step 6: Final answer
    x = 6,152,902.03

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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.