Home / 10,518,782.90-15,778,174.35-3,330,879.35

Finding the Fourth Proportional to 10,518,782.90, 15,778,174.35 and 3,330,879.35

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Solution

The fourth proportional to 10,518,782.90, 15,778,174.35 and 3,330,879.35 is: 4,996,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518,782.90 : 15,778,174.35 = 3,330,879.35 : x
  2. Step 2: Convert to fraction form
    10,518,782.90/15,778,174.35 = 3,330,879.35/x
  3. Step 3: Cross multiply
    10,518,782.90x = 15,778,174.35 × 3,330,879.35
  4. Step 4: Simplify right side
    10,518,782.90x = 52,555,195,123,114.67
  5. Step 5: Solve for x
    x = 52,555,195,123,114.67/10,518,782.90
  6. Step 6: Final answer
    x = 4,996,319.03

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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.