Home / 13,698,465.84-20,550,643.52-3,983,247.68

Finding the Fourth Proportional to 13,698,465.84, 20,550,643.52 and 3,983,247.68

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Solution

The fourth proportional to 13,698,465.84, 20,550,643.52 and 3,983,247.68 is: 5,975,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,465.84 : 20,550,643.52 = 3,983,247.68 : x
  2. Step 2: Convert to fraction form
    13,698,465.84/20,550,643.52 = 3,983,247.68/x
  3. Step 3: Cross multiply
    13,698,465.84x = 20,550,643.52 × 3,983,247.68
  4. Step 4: Simplify right side
    13,698,465.84x = 81,858,303,000,877.58
  5. Step 5: Solve for x
    x = 81,858,303,000,877.58/13,698,465.84
  6. Step 6: Final answer
    x = 5,975,727.79

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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.