Home / 28,082,762.90-42,040,163.55-26,421,809.30

Finding the Fourth Proportional to 28,082,762.90, 42,040,163.55 and 26,421,809.30

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Solution

The fourth proportional to 28,082,762.90, 42,040,163.55 and 26,421,809.30 is: 39,553,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,762.90 : 42,040,163.55 = 26,421,809.30 : x
  2. Step 2: Convert to fraction form
    28,082,762.90/42,040,163.55 = 26,421,809.30/x
  3. Step 3: Cross multiply
    28,082,762.90x = 42,040,163.55 × 26,421,809.30
  4. Step 4: Simplify right side
    28,082,762.90x = 1,110,777,184,258,911
  5. Step 5: Solve for x
    x = 1,110,777,184,258,911/28,082,762.90
  6. Step 6: Final answer
    x = 39,553,700.19

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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.