Home / 12,150,502.08-18,216,754.56-7,357,064.64

Finding the Fourth Proportional to 12,150,502.08, 18,216,754.56 and 7,357,064.64

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Solution

The fourth proportional to 12,150,502.08, 18,216,754.56 and 7,357,064.64 is: 11,030,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150,502.08 : 18,216,754.56 = 7,357,064.64 : x
  2. Step 2: Convert to fraction form
    12,150,502.08/18,216,754.56 = 7,357,064.64/x
  3. Step 3: Cross multiply
    12,150,502.08x = 18,216,754.56 × 7,357,064.64
  4. Step 4: Simplify right side
    12,150,502.08x = 134,021,840,828,934.75
  5. Step 5: Solve for x
    x = 134,021,840,828,934.75/12,150,502.08
  6. Step 6: Final answer
    x = 11,030,148.38

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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.