Home / 13,139,204.04-18,000,409.38-12,647,967.38

Finding the Fourth Proportional to 13,139,204.04, 18,000,409.38 and 12,647,967.38

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Solution

The fourth proportional to 13,139,204.04, 18,000,409.38 and 12,647,967.38 is: 17,327,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,204.04 : 18,000,409.38 = 12,647,967.38 : x
  2. Step 2: Convert to fraction form
    13,139,204.04/18,000,409.38 = 12,647,967.38/x
  3. Step 3: Cross multiply
    13,139,204.04x = 18,000,409.38 × 12,647,967.38
  4. Step 4: Simplify right side
    13,139,204.04x = 227,668,590,664,886.03
  5. Step 5: Solve for x
    x = 227,668,590,664,886.03/13,139,204.04
  6. Step 6: Final answer
    x = 17,327,426.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.