Home / 13,556,462.39-18,701,000.61-8,656,532.63

Finding the Fourth Proportional to 13,556,462.39, 18,701,000.61 and 8,656,532.63

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Solution

The fourth proportional to 13,556,462.39, 18,701,000.61 and 8,656,532.63 is: 11,941,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,462.39 : 18,701,000.61 = 8,656,532.63 : x
  2. Step 2: Convert to fraction form
    13,556,462.39/18,701,000.61 = 8,656,532.63/x
  3. Step 3: Cross multiply
    13,556,462.39x = 18,701,000.61 × 8,656,532.63
  4. Step 4: Simplify right side
    13,556,462.39x = 161,885,821,994,114.91
  5. Step 5: Solve for x
    x = 161,885,821,994,114.91/13,556,462.39
  6. Step 6: Final answer
    x = 11,941,597.84

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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.