Home / 20,048,031.72-30,084,698.34-8,533,480.32

Finding the Fourth Proportional to 20,048,031.72, 30,084,698.34 and 8,533,480.32

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Solution

The fourth proportional to 20,048,031.72, 30,084,698.34 and 8,533,480.32 is: 12,805,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,031.72 : 30,084,698.34 = 8,533,480.32 : x
  2. Step 2: Convert to fraction form
    20,048,031.72/30,084,698.34 = 8,533,480.32/x
  3. Step 3: Cross multiply
    20,048,031.72x = 30,084,698.34 × 8,533,480.32
  4. Step 4: Simplify right side
    20,048,031.72x = 256,727,181,217,526.69
  5. Step 5: Solve for x
    x = 256,727,181,217,526.69/20,048,031.72
  6. Step 6: Final answer
    x = 12,805,605.30

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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.