Home / 19,068,229.44-28,598,030.91-5,421,072.83

Finding the Fourth Proportional to 19,068,229.44, 28,598,030.91 and 5,421,072.83

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Solution

The fourth proportional to 19,068,229.44, 28,598,030.91 and 5,421,072.83 is: 8,130,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068,229.44 : 28,598,030.91 = 5,421,072.83 : x
  2. Step 2: Convert to fraction form
    19,068,229.44/28,598,030.91 = 5,421,072.83/x
  3. Step 3: Cross multiply
    19,068,229.44x = 28,598,030.91 × 5,421,072.83
  4. Step 4: Simplify right side
    19,068,229.44x = 155,032,008,214,711.03
  5. Step 5: Solve for x
    x = 155,032,008,214,711.03/19,068,229.44
  6. Step 6: Final answer
    x = 8,130,382.99

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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.