Home / 19,251,814.10-28,877,441.97-4,678,841.66

Finding the Fourth Proportional to 19,251,814.10, 28,877,441.97 and 4,678,841.66

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Solution

The fourth proportional to 19,251,814.10, 28,877,441.97 and 4,678,841.66 is: 7,018,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,814.10 : 28,877,441.97 = 4,678,841.66 : x
  2. Step 2: Convert to fraction form
    19,251,814.10/28,877,441.97 = 4,678,841.66/x
  3. Step 3: Cross multiply
    19,251,814.10x = 28,877,441.97 × 4,678,841.66
  4. Step 4: Simplify right side
    19,251,814.10x = 135,112,978,523,468.47
  5. Step 5: Solve for x
    x = 135,112,978,523,468.47/19,251,814.10
  6. Step 6: Final answer
    x = 7,018,194.64

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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.