Home / 12,403,634.36-18,608,259.54-4,316,991.80

Finding the Fourth Proportional to 12,403,634.36, 18,608,259.54 and 4,316,991.80

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Solution

The fourth proportional to 12,403,634.36, 18,608,259.54 and 4,316,991.80 is: 6,476,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403,634.36 : 18,608,259.54 = 4,316,991.80 : x
  2. Step 2: Convert to fraction form
    12,403,634.36/18,608,259.54 = 4,316,991.80/x
  3. Step 3: Cross multiply
    12,403,634.36x = 18,608,259.54 × 4,316,991.80
  4. Step 4: Simplify right side
    12,403,634.36x = 80,331,703,846,451.77
  5. Step 5: Solve for x
    x = 80,331,703,846,451.77/12,403,634.36
  6. Step 6: Final answer
    x = 6,476,465.00

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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.