Home / 18,452,318.20-27,678,477.30-7,666,034.20

Finding the Fourth Proportional to 18,452,318.20, 27,678,477.30 and 7,666,034.20

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Solution

The fourth proportional to 18,452,318.20, 27,678,477.30 and 7,666,034.20 is: 11,499,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,318.20 : 27,678,477.30 = 7,666,034.20 : x
  2. Step 2: Convert to fraction form
    18,452,318.20/27,678,477.30 = 7,666,034.20/x
  3. Step 3: Cross multiply
    18,452,318.20x = 27,678,477.30 × 7,666,034.20
  4. Step 4: Simplify right side
    18,452,318.20x = 212,184,153,585,723.66
  5. Step 5: Solve for x
    x = 212,184,153,585,723.66/18,452,318.20
  6. Step 6: Final answer
    x = 11,499,051.30

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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.