Home / 39,099,726.32-53,955,029.40-21,694,968.56

Finding the Fourth Proportional to 39,099,726.32, 53,955,029.40 and 21,694,968.56

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Solution

The fourth proportional to 39,099,726.32, 53,955,029.40 and 21,694,968.56 is: 29,937,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099,726.32 : 53,955,029.40 = 21,694,968.56 : x
  2. Step 2: Convert to fraction form
    39,099,726.32/53,955,029.40 = 21,694,968.56/x
  3. Step 3: Cross multiply
    39,099,726.32x = 53,955,029.40 × 21,694,968.56
  4. Step 4: Simplify right side
    39,099,726.32x = 1,170,552,666,486,875.50
  5. Step 5: Solve for x
    x = 1,170,552,666,486,875.50/39,099,726.32
  6. Step 6: Final answer
    x = 29,937,617.90

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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.