Home / 14,811,813.79-20,432,069.54-8,616,163.39

Finding the Fourth Proportional to 14,811,813.79, 20,432,069.54 and 8,616,163.39

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Solution

The fourth proportional to 14,811,813.79, 20,432,069.54 and 8,616,163.39 is: 11,885,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811,813.79 : 20,432,069.54 = 8,616,163.39 : x
  2. Step 2: Convert to fraction form
    14,811,813.79/20,432,069.54 = 8,616,163.39/x
  3. Step 3: Cross multiply
    14,811,813.79x = 20,432,069.54 × 8,616,163.39
  4. Step 4: Simplify right side
    14,811,813.79x = 176,046,049,490,631.75
  5. Step 5: Solve for x
    x = 176,046,049,490,631.75/14,811,813.79
  6. Step 6: Final answer
    x = 11,885,515.98

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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.