Finding the Fourth Proportional to 12,319,186.68, 18,465,716.28 and 4,742,874.36
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Solution
The fourth proportional to 12,319,186.68, 18,465,716.28 and 4,742,874.36 is: 7,109,282.01
Step by Step Solution
- Step 1: Write the proportion equation
12,319,186.68 : 18,465,716.28 = 4,742,874.36 : x - Step 2: Convert to fraction form
12,319,186.68/18,465,716.28 = 4,742,874.36/x - Step 3: Cross multiply
12,319,186.68x = 18,465,716.28 × 4,742,874.36 - Step 4: Simplify right side
12,319,186.68x = 87,580,572,283,446.59 - Step 5: Solve for x
x = 87,580,572,283,446.59/12,319,186.68 - Step 6: Final answer
x = 7,109,282.01
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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.