Home / 30,985,575.40-46,480,112.70-9,420,880.60

Finding the Fourth Proportional to 30,985,575.40, 46,480,112.70 and 9,420,880.60

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Solution

The fourth proportional to 30,985,575.40, 46,480,112.70 and 9,420,880.60 is: 14,131,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,575.40 : 46,480,112.70 = 9,420,880.60 : x
  2. Step 2: Convert to fraction form
    30,985,575.40/46,480,112.70 = 9,420,880.60/x
  3. Step 3: Cross multiply
    30,985,575.40x = 46,480,112.70 × 9,420,880.60
  4. Step 4: Simplify right side
    30,985,575.40x = 437,883,592,021,243.62
  5. Step 5: Solve for x
    x = 437,883,592,021,243.62/30,985,575.40
  6. Step 6: Final answer
    x = 14,131,852.85

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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.