Home / 30,899,725.20-46,355,117.40-12,950,643.60

Finding the Fourth Proportional to 30,899,725.20, 46,355,117.40 and 12,950,643.60

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Solution

The fourth proportional to 30,899,725.20, 46,355,117.40 and 12,950,643.60 is: 19,428,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899,725.20 : 46,355,117.40 = 12,950,643.60 : x
  2. Step 2: Convert to fraction form
    30,899,725.20/46,355,117.40 = 12,950,643.60/x
  3. Step 3: Cross multiply
    30,899,725.20x = 46,355,117.40 × 12,950,643.60
  4. Step 4: Simplify right side
    30,899,725.20x = 600,328,604,483,558.62
  5. Step 5: Solve for x
    x = 600,328,604,483,558.62/30,899,725.20
  6. Step 6: Final answer
    x = 19,428,282.96

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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.