Home / 18,444,466.80-27,666,700.20-12,944,052.45

Finding the Fourth Proportional to 18,444,466.80, 27,666,700.20 and 12,944,052.45

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Solution

The fourth proportional to 18,444,466.80, 27,666,700.20 and 12,944,052.45 is: 19,416,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,466.80 : 27,666,700.20 = 12,944,052.45 : x
  2. Step 2: Convert to fraction form
    18,444,466.80/27,666,700.20 = 12,944,052.45/x
  3. Step 3: Cross multiply
    18,444,466.80x = 27,666,700.20 × 12,944,052.45
  4. Step 4: Simplify right side
    18,444,466.80x = 358,119,218,507,225.44
  5. Step 5: Solve for x
    x = 358,119,218,507,225.44/18,444,466.80
  6. Step 6: Final answer
    x = 19,416,078.68

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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.