Finding the Fourth Proportional to 39,578,220.30, 59,374,788.34 and 14,993,510.53
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Solution
The fourth proportional to 39,578,220.30, 59,374,788.34 and 14,993,510.53 is: 22,493,091.08
Step by Step Solution
- Step 1: Write the proportion equation
39,578,220.30 : 59,374,788.34 = 14,993,510.53 : x - Step 2: Convert to fraction form
39,578,220.30/59,374,788.34 = 14,993,510.53/x - Step 3: Cross multiply
39,578,220.30x = 59,374,788.34 × 14,993,510.53 - Step 4: Simplify right side
39,578,220.30x = 890,236,513,895,437.38 - Step 5: Solve for x
x = 890,236,513,895,437.38/39,578,220.30 - Step 6: Final answer
x = 22,493,091.08
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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.