Home / 7,380,021.20-11,066,345.40-3,386,421.20

Finding the Fourth Proportional to 7,380,021.20, 11,066,345.40 and 3,386,421.20

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Solution

The fourth proportional to 7,380,021.20, 11,066,345.40 and 3,386,421.20 is: 5,077,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,021.20 : 11,066,345.40 = 3,386,421.20 : x
  2. Step 2: Convert to fraction form
    7,380,021.20/11,066,345.40 = 3,386,421.20/x
  3. Step 3: Cross multiply
    7,380,021.20x = 11,066,345.40 × 3,386,421.20
  4. Step 4: Simplify right side
    7,380,021.20x = 37,475,306,669,082.48
  5. Step 5: Solve for x
    x = 37,475,306,669,082.48/7,380,021.20
  6. Step 6: Final answer
    x = 5,077,940.25

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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.