Home / 30,699,499.80-42,365,090.37-16,760,854.44

Finding the Fourth Proportional to 30,699,499.80, 42,365,090.37 and 16,760,854.44

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Solution

The fourth proportional to 30,699,499.80, 42,365,090.37 and 16,760,854.44 is: 23,129,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699,499.80 : 42,365,090.37 = 16,760,854.44 : x
  2. Step 2: Convert to fraction form
    30,699,499.80/42,365,090.37 = 16,760,854.44/x
  3. Step 3: Cross multiply
    30,699,499.80x = 42,365,090.37 × 16,760,854.44
  4. Step 4: Simplify right side
    30,699,499.80x = 710,075,113,029,015.62
  5. Step 5: Solve for x
    x = 710,075,113,029,015.62/30,699,499.80
  6. Step 6: Final answer
    x = 23,129,859.37

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1.5x scale

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.