Home / 13,387,564.20-20,081,346.30-12,463,775.40

Finding the Fourth Proportional to 13,387,564.20, 20,081,346.30 and 12,463,775.40

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Solution

The fourth proportional to 13,387,564.20, 20,081,346.30 and 12,463,775.40 is: 18,695,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,564.20 : 20,081,346.30 = 12,463,775.40 : x
  2. Step 2: Convert to fraction form
    13,387,564.20/20,081,346.30 = 12,463,775.40/x
  3. Step 3: Cross multiply
    13,387,564.20x = 20,081,346.30 × 12,463,775.40
  4. Step 4: Simplify right side
    13,387,564.20x = 250,289,390,012,821.03
  5. Step 5: Solve for x
    x = 250,289,390,012,821.03/13,387,564.20
  6. Step 6: Final answer
    x = 18,695,663.10

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1.5x scale

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.