Home / 39,387,608.86-59,185,326.57-21,205,247.26

Finding the Fourth Proportional to 39,387,608.86, 59,185,326.57 and 21,205,247.26

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Solution

The fourth proportional to 39,387,608.86, 59,185,326.57 and 21,205,247.26 is: 31,863,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387,608.86 : 59,185,326.57 = 21,205,247.26 : x
  2. Step 2: Convert to fraction form
    39,387,608.86/59,185,326.57 = 21,205,247.26/x
  3. Step 3: Cross multiply
    39,387,608.86x = 59,185,326.57 × 21,205,247.26
  4. Step 4: Simplify right side
    39,387,608.86x = 1,255,039,484,080,697.75
  5. Step 5: Solve for x
    x = 1,255,039,484,080,697.75/39,387,608.86
  6. Step 6: Final answer
    x = 31,863,815.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.