Finding the Fourth Proportional to 26,526,990.67, 39,790,482.63 and 7,357,747.62
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Solution
The fourth proportional to 26,526,990.67, 39,790,482.63 and 7,357,747.62 is: 11,036,620.49
Step by Step Solution
- Step 1: Write the proportion equation
26,526,990.67 : 39,790,482.63 = 7,357,747.62 : x - Step 2: Convert to fraction form
26,526,990.67/39,790,482.63 = 7,357,747.62/x - Step 3: Cross multiply
26,526,990.67x = 39,790,482.63 × 7,357,747.62 - Step 4: Simplify right side
26,526,990.67x = 292,768,328,869,533.88 - Step 5: Solve for x
x = 292,768,328,869,533.88/26,526,990.67 - Step 6: Final answer
x = 11,036,620.49
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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.