Home / 7,140,055.89-9,853,176.33-4,042,499.37

Finding the Fourth Proportional to 7,140,055.89, 9,853,176.33 and 4,042,499.37

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Solution

The fourth proportional to 7,140,055.89, 9,853,176.33 and 4,042,499.37 is: 5,578,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,055.89 : 9,853,176.33 = 4,042,499.37 : x
  2. Step 2: Convert to fraction form
    7,140,055.89/9,853,176.33 = 4,042,499.37/x
  3. Step 3: Cross multiply
    7,140,055.89x = 9,853,176.33 × 4,042,499.37
  4. Step 4: Simplify right side
    7,140,055.89x = 39,831,459,106,523.91
  5. Step 5: Solve for x
    x = 39,831,459,106,523.91/7,140,055.89
  6. Step 6: Final answer
    x = 5,578,592.06

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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.