Home / 21,859,027.64-32,646,820.46-19,805,585.50

Finding the Fourth Proportional to 21,859,027.64, 32,646,820.46 and 19,805,585.50

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Solution

The fourth proportional to 21,859,027.64, 32,646,820.46 and 19,805,585.50 is: 29,579,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859,027.64 : 32,646,820.46 = 19,805,585.50 : x
  2. Step 2: Convert to fraction form
    21,859,027.64/32,646,820.46 = 19,805,585.50/x
  3. Step 3: Cross multiply
    21,859,027.64x = 32,646,820.46 × 19,805,585.50
  4. Step 4: Simplify right side
    21,859,027.64x = 646,589,393,760,445.25
  5. Step 5: Solve for x
    x = 646,589,393,760,445.25/21,859,027.64
  6. Step 6: Final answer
    x = 29,579,970.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.