Finding the Fourth Proportional to 8,740,275.23, 12,069,195.82 and 5,482,689.53
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Solution
The fourth proportional to 8,740,275.23, 12,069,195.82 and 5,482,689.53 is: 7,570,888.99
Step by Step Solution
- Step 1: Write the proportion equation
8,740,275.23 : 12,069,195.82 = 5,482,689.53 : x - Step 2: Convert to fraction form
8,740,275.23/12,069,195.82 = 5,482,689.53/x - Step 3: Cross multiply
8,740,275.23x = 12,069,195.82 × 5,482,689.53 - Step 4: Simplify right side
8,740,275.23x = 66,171,653,483,781.07 - Step 5: Solve for x
x = 66,171,653,483,781.07/8,740,275.23 - Step 6: Final answer
x = 7,570,888.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.