Home / 30,567,980.40-42,184,087.32-16,629,640.52

Finding the Fourth Proportional to 30,567,980.40, 42,184,087.32 and 16,629,640.52

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Solution

The fourth proportional to 30,567,980.40, 42,184,087.32 and 16,629,640.52 is: 22,949,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567,980.40 : 42,184,087.32 = 16,629,640.52 : x
  2. Step 2: Convert to fraction form
    30,567,980.40/42,184,087.32 = 16,629,640.52/x
  3. Step 3: Cross multiply
    30,567,980.40x = 42,184,087.32 × 16,629,640.52
  4. Step 4: Simplify right side
    30,567,980.40x = 701,506,207,795,890.25
  5. Step 5: Solve for x
    x = 701,506,207,795,890.25/30,567,980.40
  6. Step 6: Final answer
    x = 22,949,053.18

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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.