Home / 19,998,643.91-27,598,042.98-11,178,083.30

Finding the Fourth Proportional to 19,998,643.91, 27,598,042.98 and 11,178,083.30

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Solution

The fourth proportional to 19,998,643.91, 27,598,042.98 and 11,178,083.30 is: 15,425,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,643.91 : 27,598,042.98 = 11,178,083.30 : x
  2. Step 2: Convert to fraction form
    19,998,643.91/27,598,042.98 = 11,178,083.30/x
  3. Step 3: Cross multiply
    19,998,643.91x = 27,598,042.98 × 11,178,083.30
  4. Step 4: Simplify right side
    19,998,643.91x = 308,493,223,209,430
  5. Step 5: Solve for x
    x = 308,493,223,209,430/19,998,643.91
  6. Step 6: Final answer
    x = 15,425,707.10

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Why These Related Problems?

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