Home / 30,844,900.80-46,259,056.80-12,890,289.60

Finding the Fourth Proportional to 30,844,900.80, 46,259,056.80 and 12,890,289.60

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Solution

The fourth proportional to 30,844,900.80, 46,259,056.80 and 12,890,289.60 is: 19,331,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844,900.80 : 46,259,056.80 = 12,890,289.60 : x
  2. Step 2: Convert to fraction form
    30,844,900.80/46,259,056.80 = 12,890,289.60/x
  3. Step 3: Cross multiply
    30,844,900.80x = 46,259,056.80 × 12,890,289.60
  4. Step 4: Simplify right side
    30,844,900.80x = 596,292,638,774,849.25
  5. Step 5: Solve for x
    x = 596,292,638,774,849.25/30,844,900.80
  6. Step 6: Final answer
    x = 19,331,968.11

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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.