Finding the Fourth Proportional to 51,815,884, 77,750,725.41 and 21,132,973.84
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Solution
The fourth proportional to 51,815,884, 77,750,725.41 and 21,132,973.84 is: 31,710,431.61
Step by Step Solution
- Step 1: Write the proportion equation
51,815,884 : 77,750,725.41 = 21,132,973.84 : x - Step 2: Convert to fraction form
51,815,884/77,750,725.41 = 21,132,973.84/x - Step 3: Cross multiply
51,815,884x = 77,750,725.41 × 21,132,973.84 - Step 4: Simplify right side
51,815,884x = 1,643,104,046,130,553.25 - Step 5: Solve for x
x = 1,643,104,046,130,553.25/51,815,884 - Step 6: Final answer
x = 31,710,431.61
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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.