Finding the Fourth Proportional to 33,221,671.80, 49,778,853.30 and 18,801,857.40
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Solution
The fourth proportional to 33,221,671.80, 49,778,853.30 and 18,801,857.40 is: 28,172,420.31
Step by Step Solution
- Step 1: Write the proportion equation
33,221,671.80 : 49,778,853.30 = 18,801,857.40 : x - Step 2: Convert to fraction form
33,221,671.80/49,778,853.30 = 18,801,857.40/x - Step 3: Cross multiply
33,221,671.80x = 49,778,853.30 × 18,801,857.40 - Step 4: Simplify right side
33,221,671.80x = 935,934,901,282,119.25 - Step 5: Solve for x
x = 935,934,901,282,119.25/33,221,671.80 - Step 6: Final answer
x = 28,172,420.31
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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.