Home / 20,604,501.80-30,905,370.30-5,458,108.20

Finding the Fourth Proportional to 20,604,501.80, 30,905,370.30 and 5,458,108.20

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Solution

The fourth proportional to 20,604,501.80, 30,905,370.30 and 5,458,108.20 is: 8,186,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,501.80 : 30,905,370.30 = 5,458,108.20 : x
  2. Step 2: Convert to fraction form
    20,604,501.80/30,905,370.30 = 5,458,108.20/x
  3. Step 3: Cross multiply
    20,604,501.80x = 30,905,370.30 × 5,458,108.20
  4. Step 4: Simplify right side
    20,604,501.80x = 168,684,855,058,466.47
  5. Step 5: Solve for x
    x = 168,684,855,058,466.47/20,604,501.80
  6. Step 6: Final answer
    x = 8,186,796.10

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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.