Home / 10,251,728.70-15,367,095.45-5,989,703.10

Finding the Fourth Proportional to 10,251,728.70, 15,367,095.45 and 5,989,703.10

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Solution

The fourth proportional to 10,251,728.70, 15,367,095.45 and 5,989,703.10 is: 8,978,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,728.70 : 15,367,095.45 = 5,989,703.10 : x
  2. Step 2: Convert to fraction form
    10,251,728.70/15,367,095.45 = 5,989,703.10/x
  3. Step 3: Cross multiply
    10,251,728.70x = 15,367,095.45 × 5,989,703.10
  4. Step 4: Simplify right side
    10,251,728.70x = 92,044,339,254,860.89
  5. Step 5: Solve for x
    x = 92,044,339,254,860.89/10,251,728.70
  6. Step 6: Final answer
    x = 8,978,421.29

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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.