Home / 18,147,710.90-27,221,566.35-11,429,246.90

Finding the Fourth Proportional to 18,147,710.90, 27,221,566.35 and 11,429,246.90

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Solution

The fourth proportional to 18,147,710.90, 27,221,566.35 and 11,429,246.90 is: 17,143,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,710.90 : 27,221,566.35 = 11,429,246.90 : x
  2. Step 2: Convert to fraction form
    18,147,710.90/27,221,566.35 = 11,429,246.90/x
  3. Step 3: Cross multiply
    18,147,710.90x = 27,221,566.35 × 11,429,246.90
  4. Step 4: Simplify right side
    18,147,710.90x = 311,122,002,818,881.81
  5. Step 5: Solve for x
    x = 311,122,002,818,881.81/18,147,710.90
  6. Step 6: Final answer
    x = 17,143,870.35

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Double scale
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Similar ratio
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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.