Finding the Fourth Proportional to 19,493,392.12, 29,256,884.34 and 13,513,959.16
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Solution
The fourth proportional to 19,493,392.12, 29,256,884.34 and 13,513,959.16 is: 20,282,582.82
Step by Step Solution
- Step 1: Write the proportion equation
19,493,392.12 : 29,256,884.34 = 13,513,959.16 : x - Step 2: Convert to fraction form
19,493,392.12/29,256,884.34 = 13,513,959.16/x - Step 3: Cross multiply
19,493,392.12x = 29,256,884.34 × 13,513,959.16 - Step 4: Simplify right side
19,493,392.12x = 395,376,340,119,603.56 - Step 5: Solve for x
x = 395,376,340,119,603.56/19,493,392.12 - Step 6: Final answer
x = 20,282,582.82
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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.