Home / 13,698,495.64-20,550,688.16-3,983,277.40

Finding the Fourth Proportional to 13,698,495.64, 20,550,688.16 and 3,983,277.40

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Solution

The fourth proportional to 13,698,495.64, 20,550,688.16 and 3,983,277.40 is: 5,975,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,495.64 : 20,550,688.16 = 3,983,277.40 : x
  2. Step 2: Convert to fraction form
    13,698,495.64/20,550,688.16 = 3,983,277.40/x
  3. Step 3: Cross multiply
    13,698,495.64x = 20,550,688.16 × 3,983,277.40
  4. Step 4: Simplify right side
    13,698,495.64x = 81,859,091,702,175.58
  5. Step 5: Solve for x
    x = 81,859,091,702,175.58/13,698,495.64
  6. Step 6: Final answer
    x = 5,975,772.37

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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.