Home / 21,947,851.45-30,218,933.68-18,633,590.29

Finding the Fourth Proportional to 21,947,851.45, 30,218,933.68 and 18,633,590.29

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Solution

The fourth proportional to 21,947,851.45, 30,218,933.68 and 18,633,590.29 is: 25,655,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,851.45 : 30,218,933.68 = 18,633,590.29 : x
  2. Step 2: Convert to fraction form
    21,947,851.45/30,218,933.68 = 18,633,590.29/x
  3. Step 3: Cross multiply
    21,947,851.45x = 30,218,933.68 × 18,633,590.29
  4. Step 4: Simplify right side
    21,947,851.45x = 563,087,229,071,670.62
  5. Step 5: Solve for x
    x = 563,087,229,071,670.62/21,947,851.45
  6. Step 6: Final answer
    x = 25,655,688.00

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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.