Home / 20,959,698.81-28,924,088.09-11,792,319.69

Finding the Fourth Proportional to 20,959,698.81, 28,924,088.09 and 11,792,319.69

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Solution

The fourth proportional to 20,959,698.81, 28,924,088.09 and 11,792,319.69 is: 16,273,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,698.81 : 28,924,088.09 = 11,792,319.69 : x
  2. Step 2: Convert to fraction form
    20,959,698.81/28,924,088.09 = 11,792,319.69/x
  3. Step 3: Cross multiply
    20,959,698.81x = 28,924,088.09 × 11,792,319.69
  4. Step 4: Simplify right side
    20,959,698.81x = 341,082,093,499,001.50
  5. Step 5: Solve for x
    x = 341,082,093,499,001.50/20,959,698.81
  6. Step 6: Final answer
    x = 16,273,234.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.