Home / 21,934,651.50-30,270,859.11-13,232,637.50

Finding the Fourth Proportional to 21,934,651.50, 30,270,859.11 and 13,232,637.50

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Solution

The fourth proportional to 21,934,651.50, 30,270,859.11 and 13,232,637.50 is: 18,261,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,651.50 : 30,270,859.11 = 13,232,637.50 : x
  2. Step 2: Convert to fraction form
    21,934,651.50/30,270,859.11 = 13,232,637.50/x
  3. Step 3: Cross multiply
    21,934,651.50x = 30,270,859.11 × 13,232,637.50
  4. Step 4: Simplify right side
    21,934,651.50x = 400,563,305,264,848.31
  5. Step 5: Solve for x
    x = 400,563,305,264,848.31/21,934,651.50
  6. Step 6: Final answer
    x = 18,261,667.17

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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.