Finding the Fourth Proportional to 13,888,159.08, 19,165,812.81 and 7,693,300.68
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Solution
The fourth proportional to 13,888,159.08, 19,165,812.81 and 7,693,300.68 is: 10,616,839.85
Step by Step Solution
- Step 1: Write the proportion equation
13,888,159.08 : 19,165,812.81 = 7,693,300.68 : x - Step 2: Convert to fraction form
13,888,159.08/19,165,812.81 = 7,693,300.68/x - Step 3: Cross multiply
13,888,159.08x = 19,165,812.81 × 7,693,300.68 - Step 4: Simplify right side
13,888,159.08x = 147,448,360,723,925.69 - Step 5: Solve for x
x = 147,448,360,723,925.69/13,888,159.08 - Step 6: Final answer
x = 10,616,839.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.