Home / 20,439,193.36-30,646,441.08-8,145,048

Finding the Fourth Proportional to 20,439,193.36, 30,646,441.08 and 8,145,048

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Solution

The fourth proportional to 20,439,193.36, 30,646,441.08 and 8,145,048 is: 12,212,650.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,193.36 : 30,646,441.08 = 8,145,048 : x
  2. Step 2: Convert to fraction form
    20,439,193.36/30,646,441.08 = 8,145,048/x
  3. Step 3: Cross multiply
    20,439,193.36x = 30,646,441.08 × 8,145,048
  4. Step 4: Simplify right side
    20,439,193.36x = 249,616,733,625,771.81
  5. Step 5: Solve for x
    x = 249,616,733,625,771.81/20,439,193.36
  6. Step 6: Final answer
    x = 12,212,650.92

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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.