Home / 47,408,956.90-71,113,462.83-13,330,302.78

Finding the Fourth Proportional to 47,408,956.90, 71,113,462.83 and 13,330,302.78

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Solution

The fourth proportional to 47,408,956.90, 71,113,462.83 and 13,330,302.78 is: 19,995,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,408,956.90 : 71,113,462.83 = 13,330,302.78 : x
  2. Step 2: Convert to fraction form
    47,408,956.90/71,113,462.83 = 13,330,302.78/x
  3. Step 3: Cross multiply
    47,408,956.90x = 71,113,462.83 × 13,330,302.78
  4. Step 4: Simplify right side
    47,408,956.90x = 947,963,991,258,175.62
  5. Step 5: Solve for x
    x = 947,963,991,258,175.62/47,408,956.90
  6. Step 6: Final answer
    x = 19,995,461.90

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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.