Home / 9,821,742.45-13,553,307.90-5,411,275.44

Finding the Fourth Proportional to 9,821,742.45, 13,553,307.90 and 5,411,275.44

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Solution

The fourth proportional to 9,821,742.45, 13,553,307.90 and 5,411,275.44 is: 7,467,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821,742.45 : 13,553,307.90 = 5,411,275.44 : x
  2. Step 2: Convert to fraction form
    9,821,742.45/13,553,307.90 = 5,411,275.44/x
  3. Step 3: Cross multiply
    9,821,742.45x = 13,553,307.90 × 5,411,275.44
  4. Step 4: Simplify right side
    9,821,742.45x = 73,340,682,170,027.98
  5. Step 5: Solve for x
    x = 73,340,682,170,027.98/9,821,742.45
  6. Step 6: Final answer
    x = 7,467,176.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.