Home / 12,354,004.80-18,531,007.20-9,962,520.30

Finding the Fourth Proportional to 12,354,004.80, 18,531,007.20 and 9,962,520.30

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Solution

The fourth proportional to 12,354,004.80, 18,531,007.20 and 9,962,520.30 is: 14,943,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,004.80 : 18,531,007.20 = 9,962,520.30 : x
  2. Step 2: Convert to fraction form
    12,354,004.80/18,531,007.20 = 9,962,520.30/x
  3. Step 3: Cross multiply
    12,354,004.80x = 18,531,007.20 × 9,962,520.30
  4. Step 4: Simplify right side
    12,354,004.80x = 184,615,535,409,446.16
  5. Step 5: Solve for x
    x = 184,615,535,409,446.16/12,354,004.80
  6. Step 6: Final answer
    x = 14,943,780.45

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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.