Finding the Fourth Proportional to 13,484,190.78, 20,226,473.01 and 4,386,335.99
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Solution
The fourth proportional to 13,484,190.78, 20,226,473.01 and 4,386,335.99 is: 6,579,564.76
Step by Step Solution
- Step 1: Write the proportion equation
13,484,190.78 : 20,226,473.01 = 4,386,335.99 : x - Step 2: Convert to fraction form
13,484,190.78/20,226,473.01 = 4,386,335.99/x - Step 3: Cross multiply
13,484,190.78x = 20,226,473.01 × 4,386,335.99 - Step 4: Simplify right side
13,484,190.78x = 88,720,106,413,394.28 - Step 5: Solve for x
x = 88,720,106,413,394.28/13,484,190.78 - Step 6: Final answer
x = 6,579,564.76
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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.