Home / 35,860,355.30-49,487,059.32-20,390,438.72

Finding the Fourth Proportional to 35,860,355.30, 49,487,059.32 and 20,390,438.72

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Solution

The fourth proportional to 35,860,355.30, 49,487,059.32 and 20,390,438.72 is: 28,138,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,860,355.30 : 49,487,059.32 = 20,390,438.72 : x
  2. Step 2: Convert to fraction form
    35,860,355.30/49,487,059.32 = 20,390,438.72/x
  3. Step 3: Cross multiply
    35,860,355.30x = 49,487,059.32 × 20,390,438.72
  4. Step 4: Simplify right side
    35,860,355.30x = 1,009,062,850,497,464.88
  5. Step 5: Solve for x
    x = 1,009,062,850,497,464.88/35,860,355.30
  6. Step 6: Final answer
    x = 28,138,674.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.