Home / 13,698,461.40-20,550,636.86-3,983,243.22

Finding the Fourth Proportional to 13,698,461.40, 20,550,636.86 and 3,983,243.22

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Solution

The fourth proportional to 13,698,461.40, 20,550,636.86 and 3,983,243.22 is: 5,975,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,461.40 : 20,550,636.86 = 3,983,243.22 : x
  2. Step 2: Convert to fraction form
    13,698,461.40/20,550,636.86 = 3,983,243.22/x
  3. Step 3: Cross multiply
    13,698,461.40x = 20,550,636.86 × 3,983,243.22
  4. Step 4: Simplify right side
    13,698,461.40x = 81,858,184,939,277.09
  5. Step 5: Solve for x
    x = 81,858,184,939,277.09/13,698,461.40
  6. Step 6: Final answer
    x = 5,975,721.11

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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.