Home / 47,066,055.20-70,603,152.30-12,987,402.56

Finding the Fourth Proportional to 47,066,055.20, 70,603,152.30 and 12,987,402.56

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Solution

The fourth proportional to 47,066,055.20, 70,603,152.30 and 12,987,402.56 is: 19,482,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,066,055.20 : 70,603,152.30 = 12,987,402.56 : x
  2. Step 2: Convert to fraction form
    47,066,055.20/70,603,152.30 = 12,987,402.56/x
  3. Step 3: Cross multiply
    47,066,055.20x = 70,603,152.30 × 12,987,402.56
  4. Step 4: Simplify right side
    47,066,055.20x = 916,951,560,925,089.88
  5. Step 5: Solve for x
    x = 916,951,560,925,089.88/47,066,055.20
  6. Step 6: Final answer
    x = 19,482,226.78

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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.