Home / 47,066,014.20-70,603,090.74-12,987,361.56

Finding the Fourth Proportional to 47,066,014.20, 70,603,090.74 and 12,987,361.56

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Solution

The fourth proportional to 47,066,014.20, 70,603,090.74 and 12,987,361.56 is: 19,482,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,066,014.20 : 70,603,090.74 = 12,987,361.56 : x
  2. Step 2: Convert to fraction form
    47,066,014.20/70,603,090.74 = 12,987,361.56/x
  3. Step 3: Cross multiply
    47,066,014.20x = 70,603,090.74 × 12,987,361.56
  4. Step 4: Simplify right side
    47,066,014.20x = 916,947,866,693,867.88
  5. Step 5: Solve for x
    x = 916,947,866,693,867.88/47,066,014.20
  6. Step 6: Final answer
    x = 19,482,165.26

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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.