Home / 30,918,187.80-46,394,996.40-11,762,692.20

Finding the Fourth Proportional to 30,918,187.80, 46,394,996.40 and 11,762,692.20

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Solution

The fourth proportional to 30,918,187.80, 46,394,996.40 and 11,762,692.20 is: 17,650,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918,187.80 : 46,394,996.40 = 11,762,692.20 : x
  2. Step 2: Convert to fraction form
    30,918,187.80/46,394,996.40 = 11,762,692.20/x
  3. Step 3: Cross multiply
    30,918,187.80x = 46,394,996.40 × 11,762,692.20
  4. Step 4: Simplify right side
    30,918,187.80x = 545,730,062,273,308
  5. Step 5: Solve for x
    x = 545,730,062,273,308/30,918,187.80
  6. Step 6: Final answer
    x = 17,650,777.78

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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.