Home / 12,039,647.80-18,065,376.06-5,650,419.64

Finding the Fourth Proportional to 12,039,647.80, 18,065,376.06 and 5,650,419.64

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Solution

The fourth proportional to 12,039,647.80, 18,065,376.06 and 5,650,419.64 is: 8,478,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039,647.80 : 18,065,376.06 = 5,650,419.64 : x
  2. Step 2: Convert to fraction form
    12,039,647.80/18,065,376.06 = 5,650,419.64/x
  3. Step 3: Cross multiply
    12,039,647.80x = 18,065,376.06 × 5,650,419.64
  4. Step 4: Simplify right side
    12,039,647.80x = 102,076,955,693,409.81
  5. Step 5: Solve for x
    x = 102,076,955,693,409.81/12,039,647.80
  6. Step 6: Final answer
    x = 8,478,400.48

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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.