Home / 7,452,889.16-11,179,865.29-1,987,953.42

Finding the Fourth Proportional to 7,452,889.16, 11,179,865.29 and 1,987,953.42

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Solution

The fourth proportional to 7,452,889.16, 11,179,865.29 and 1,987,953.42 is: 2,982,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,889.16 : 11,179,865.29 = 1,987,953.42 : x
  2. Step 2: Convert to fraction form
    7,452,889.16/11,179,865.29 = 1,987,953.42/x
  3. Step 3: Cross multiply
    7,452,889.16x = 11,179,865.29 × 1,987,953.42
  4. Step 4: Simplify right side
    7,452,889.16x = 22,225,051,433,424.91
  5. Step 5: Solve for x
    x = 22,225,051,433,424.91/7,452,889.16
  6. Step 6: Final answer
    x = 2,982,071.91

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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.