Home / 10,557,031.20-14,568,872.40-5,728,135.20

Finding the Fourth Proportional to 10,557,031.20, 14,568,872.40 and 5,728,135.20

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Solution

The fourth proportional to 10,557,031.20, 14,568,872.40 and 5,728,135.20 is: 7,904,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,031.20 : 14,568,872.40 = 5,728,135.20 : x
  2. Step 2: Convert to fraction form
    10,557,031.20/14,568,872.40 = 5,728,135.20/x
  3. Step 3: Cross multiply
    10,557,031.20x = 14,568,872.40 × 5,728,135.20
  4. Step 4: Simplify right side
    10,557,031.20x = 83,452,470,818,748.48
  5. Step 5: Solve for x
    x = 83,452,470,818,748.48/10,557,031.20
  6. Step 6: Final answer
    x = 7,904,918.46

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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.