Home / 19,157,551.86-28,721,069.31-11,061,343.74

Finding the Fourth Proportional to 19,157,551.86, 28,721,069.31 and 11,061,343.74

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Solution

The fourth proportional to 19,157,551.86, 28,721,069.31 and 11,061,343.74 is: 16,583,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,551.86 : 28,721,069.31 = 11,061,343.74 : x
  2. Step 2: Convert to fraction form
    19,157,551.86/28,721,069.31 = 11,061,343.74/x
  3. Step 3: Cross multiply
    19,157,551.86x = 28,721,069.31 × 11,061,343.74
  4. Step 4: Simplify right side
    19,157,551.86x = 317,693,620,218,274.62
  5. Step 5: Solve for x
    x = 317,693,620,218,274.62/19,157,551.86
  6. Step 6: Final answer
    x = 16,583,205.54

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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.