Home / 31,056,004.64-42,860,475.54-18,670,107.86

Finding the Fourth Proportional to 31,056,004.64, 42,860,475.54 and 18,670,107.86

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Solution

The fourth proportional to 31,056,004.64, 42,860,475.54 and 18,670,107.86 is: 25,766,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056,004.64 : 42,860,475.54 = 18,670,107.86 : x
  2. Step 2: Convert to fraction form
    31,056,004.64/42,860,475.54 = 18,670,107.86/x
  3. Step 3: Cross multiply
    31,056,004.64x = 42,860,475.54 × 18,670,107.86
  4. Step 4: Simplify right side
    31,056,004.64x = 800,209,701,262,691.75
  5. Step 5: Solve for x
    x = 800,209,701,262,691.75/31,056,004.64
  6. Step 6: Final answer
    x = 25,766,666.08

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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.