Home / 20,331,548.88-30,490,557.48-8,197,878.48

Finding the Fourth Proportional to 20,331,548.88, 30,490,557.48 and 8,197,878.48

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Solution

The fourth proportional to 20,331,548.88, 30,490,557.48 and 8,197,878.48 is: 12,294,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,548.88 : 30,490,557.48 = 8,197,878.48 : x
  2. Step 2: Convert to fraction form
    20,331,548.88/30,490,557.48 = 8,197,878.48/x
  3. Step 3: Cross multiply
    20,331,548.88x = 30,490,557.48 × 8,197,878.48
  4. Step 4: Simplify right side
    20,331,548.88x = 249,957,885,008,495.06
  5. Step 5: Solve for x
    x = 249,957,885,008,495.06/20,331,548.88
  6. Step 6: Final answer
    x = 12,294,089.67

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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.