Finding the Fourth Proportional to 33,221,465.80, 49,778,544.30 and 18,801,651.40
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Solution
The fourth proportional to 33,221,465.80, 49,778,544.30 and 18,801,651.40 is: 28,172,111.45
Step by Step Solution
- Step 1: Write the proportion equation
33,221,465.80 : 49,778,544.30 = 18,801,651.40 : x - Step 2: Convert to fraction form
33,221,465.80/49,778,544.30 = 18,801,651.40/x - Step 3: Cross multiply
33,221,465.80x = 49,778,544.30 × 18,801,651.40 - Step 4: Simplify right side
33,221,465.80x = 935,918,837,128,056.88 - Step 5: Solve for x
x = 935,918,837,128,056.88/33,221,465.80 - Step 6: Final answer
x = 28,172,111.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.