Home / 30,783,856.80-46,145,329.20-14,581,329.60

Finding the Fourth Proportional to 30,783,856.80, 46,145,329.20 and 14,581,329.60

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Solution

The fourth proportional to 30,783,856.80, 46,145,329.20 and 14,581,329.60 is: 21,857,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,856.80 : 46,145,329.20 = 14,581,329.60 : x
  2. Step 2: Convert to fraction form
    30,783,856.80/46,145,329.20 = 14,581,329.60/x
  3. Step 3: Cross multiply
    30,783,856.80x = 46,145,329.20 × 14,581,329.60
  4. Step 4: Simplify right side
    30,783,856.80x = 672,860,254,565,704.38
  5. Step 5: Solve for x
    x = 672,860,254,565,704.38/30,783,856.80
  6. Step 6: Final answer
    x = 21,857,568.37

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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.