Finding the Fourth Proportional to 20,062,129.69, 27,694,214.91 and 13,544,587.81
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Solution
The fourth proportional to 20,062,129.69, 27,694,214.91 and 13,544,587.81 is: 18,697,253.55
Step by Step Solution
- Step 1: Write the proportion equation
20,062,129.69 : 27,694,214.91 = 13,544,587.81 : x - Step 2: Convert to fraction form
20,062,129.69/27,694,214.91 = 13,544,587.81/x - Step 3: Cross multiply
20,062,129.69x = 27,694,214.91 × 13,544,587.81 - Step 4: Simplify right side
20,062,129.69x = 375,106,725,471,312.25 - Step 5: Solve for x
x = 375,106,725,471,312.25/20,062,129.69 - Step 6: Final answer
x = 18,697,253.55
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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.