Home / 19,108,672.20-28,607,021.10-16,869,184.20

Finding the Fourth Proportional to 19,108,672.20, 28,607,021.10 and 16,869,184.20

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Solution

The fourth proportional to 19,108,672.20, 28,607,021.10 and 16,869,184.20 is: 25,254,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108,672.20 : 28,607,021.10 = 16,869,184.20 : x
  2. Step 2: Convert to fraction form
    19,108,672.20/28,607,021.10 = 16,869,184.20/x
  3. Step 3: Cross multiply
    19,108,672.20x = 28,607,021.10 × 16,869,184.20
  4. Step 4: Simplify right side
    19,108,672.20x = 482,577,108,349,186.62
  5. Step 5: Solve for x
    x = 482,577,108,349,186.62/19,108,672.20
  6. Step 6: Final answer
    x = 25,254,350.66

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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.