Home / 21,221,036.55-31,831,554.83-21,221,036.55

Finding the Fourth Proportional to 21,221,036.55, 31,831,554.83 and 21,221,036.55

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Solution

The fourth proportional to 21,221,036.55, 31,831,554.83 and 21,221,036.55 is: 31,831,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,221,036.55 : 31,831,554.83 = 21,221,036.55 : x
  2. Step 2: Convert to fraction form
    21,221,036.55/31,831,554.83 = 21,221,036.55/x
  3. Step 3: Cross multiply
    21,221,036.55x = 31,831,554.83 × 21,221,036.55
  4. Step 4: Simplify right side
    21,221,036.55x = 675,498,588,384,653.88
  5. Step 5: Solve for x
    x = 675,498,588,384,653.88/21,221,036.55
  6. Step 6: Final answer
    x = 31,831,554.83

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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.