Home / 30,783,858.80-46,145,332.20-14,581,331.60

Finding the Fourth Proportional to 30,783,858.80, 46,145,332.20 and 14,581,331.60

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Solution

The fourth proportional to 30,783,858.80, 46,145,332.20 and 14,581,331.60 is: 21,857,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,858.80 : 46,145,332.20 = 14,581,331.60 : x
  2. Step 2: Convert to fraction form
    30,783,858.80/46,145,332.20 = 14,581,331.60/x
  3. Step 3: Cross multiply
    30,783,858.80x = 46,145,332.20 × 14,581,331.60
  4. Step 4: Simplify right side
    30,783,858.80x = 672,860,390,600,357.50
  5. Step 5: Solve for x
    x = 672,860,390,600,357.50/30,783,858.80
  6. Step 6: Final answer
    x = 21,857,571.36

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1.5x scale

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.