Home / 30,783,882.13-42,429,983.36-23,339,078.75

Finding the Fourth Proportional to 30,783,882.13, 42,429,983.36 and 23,339,078.75

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Solution

The fourth proportional to 30,783,882.13, 42,429,983.36 and 23,339,078.75 is: 32,168,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,882.13 : 42,429,983.36 = 23,339,078.75 : x
  2. Step 2: Convert to fraction form
    30,783,882.13/42,429,983.36 = 23,339,078.75/x
  3. Step 3: Cross multiply
    30,783,882.13x = 42,429,983.36 × 23,339,078.75
  4. Step 4: Simplify right side
    30,783,882.13x = 990,276,722,870,296
  5. Step 5: Solve for x
    x = 990,276,722,870,296/30,783,882.13
  6. Step 6: Final answer
    x = 32,168,675.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.