Home / 19,183,090.50-28,788,807.51-9,085,711.50

Finding the Fourth Proportional to 19,183,090.50, 28,788,807.51 and 9,085,711.50

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Solution

The fourth proportional to 19,183,090.50, 28,788,807.51 and 9,085,711.50 is: 13,635,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,090.50 : 28,788,807.51 = 9,085,711.50 : x
  2. Step 2: Convert to fraction form
    19,183,090.50/28,788,807.51 = 9,085,711.50/x
  3. Step 3: Cross multiply
    19,183,090.50x = 28,788,807.51 × 9,085,711.50
  4. Step 4: Simplify right side
    19,183,090.50x = 261,566,799,464,893.38
  5. Step 5: Solve for x
    x = 261,566,799,464,893.38/19,183,090.50
  6. Step 6: Final answer
    x = 13,635,279.44

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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.