Home / 19,059,363.80-28,589,045.70-7,693,962.20

Finding the Fourth Proportional to 19,059,363.80, 28,589,045.70 and 7,693,962.20

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Solution

The fourth proportional to 19,059,363.80, 28,589,045.70 and 7,693,962.20 is: 11,540,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059,363.80 : 28,589,045.70 = 7,693,962.20 : x
  2. Step 2: Convert to fraction form
    19,059,363.80/28,589,045.70 = 7,693,962.20/x
  3. Step 3: Cross multiply
    19,059,363.80x = 28,589,045.70 × 7,693,962.20
  4. Step 4: Simplify right side
    19,059,363.80x = 219,963,036,949,872.53
  5. Step 5: Solve for x
    x = 219,963,036,949,872.53/19,059,363.80
  6. Step 6: Final answer
    x = 11,540,943.30

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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.