Home / 30,213,403.80-45,333,499.86-15,833,052.60

Finding the Fourth Proportional to 30,213,403.80, 45,333,499.86 and 15,833,052.60

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Solution

The fourth proportional to 30,213,403.80, 45,333,499.86 and 15,833,052.60 is: 23,756,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,403.80 : 45,333,499.86 = 15,833,052.60 : x
  2. Step 2: Convert to fraction form
    30,213,403.80/45,333,499.86 = 15,833,052.60/x
  3. Step 3: Cross multiply
    30,213,403.80x = 45,333,499.86 × 15,833,052.60
  4. Step 4: Simplify right side
    30,213,403.80x = 717,767,687,825,472.62
  5. Step 5: Solve for x
    x = 717,767,687,825,472.62/30,213,403.80
  6. Step 6: Final answer
    x = 23,756,597.98

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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.