Finding the Fourth Proportional to 19,267,355.88, 28,901,130.40 and 4,890,427.96
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Solution
The fourth proportional to 19,267,355.88, 28,901,130.40 and 4,890,427.96 is: 7,335,666.45
Step by Step Solution
- Step 1: Write the proportion equation
19,267,355.88 : 28,901,130.40 = 4,890,427.96 : x - Step 2: Convert to fraction form
19,267,355.88/28,901,130.40 = 4,890,427.96/x - Step 3: Cross multiply
19,267,355.88x = 28,901,130.40 × 4,890,427.96 - Step 4: Simplify right side
19,267,355.88x = 141,338,896,183,765.97 - Step 5: Solve for x
x = 141,338,896,183,765.97/19,267,355.88 - Step 6: Final answer
x = 7,335,666.45
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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.