Home / 21,757,288.09-30,068,119.09-17,830,852.51

Finding the Fourth Proportional to 21,757,288.09, 30,068,119.09 and 17,830,852.51

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Solution

The fourth proportional to 21,757,288.09, 30,068,119.09 and 17,830,852.51 is: 24,641,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757,288.09 : 30,068,119.09 = 17,830,852.51 : x
  2. Step 2: Convert to fraction form
    21,757,288.09/30,068,119.09 = 17,830,852.51/x
  3. Step 3: Cross multiply
    21,757,288.09x = 30,068,119.09 × 17,830,852.51
  4. Step 4: Simplify right side
    21,757,288.09x = 536,140,196,691,967.75
  5. Step 5: Solve for x
    x = 536,140,196,691,967.75/21,757,288.09
  6. Step 6: Final answer
    x = 24,641,866.88

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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.