Finding the Fourth Proportional to 7,158,465.68, 10,739,380.06 and 2,366,155.14
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Solution
The fourth proportional to 7,158,465.68, 10,739,380.06 and 2,366,155.14 is: 3,549,788.53
Step by Step Solution
- Step 1: Write the proportion equation
7,158,465.68 : 10,739,380.06 = 2,366,155.14 : x - Step 2: Convert to fraction form
7,158,465.68/10,739,380.06 = 2,366,155.14/x - Step 3: Cross multiply
7,158,465.68x = 10,739,380.06 × 2,366,155.14 - Step 4: Simplify right side
7,158,465.68x = 25,411,039,329,382.51 - Step 5: Solve for x
x = 25,411,039,329,382.51/7,158,465.68 - Step 6: Final answer
x = 3,549,788.53
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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.