Finding the Fourth Proportional to 8,407,478.58, 11,603,177.68 and 5,146,448.36
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Solution
The fourth proportional to 8,407,478.58, 11,603,177.68 and 5,146,448.36 is: 7,102,623.48
Step by Step Solution
- Step 1: Write the proportion equation
8,407,478.58 : 11,603,177.68 = 5,146,448.36 : x - Step 2: Convert to fraction form
8,407,478.58/11,603,177.68 = 5,146,448.36/x - Step 3: Cross multiply
8,407,478.58x = 11,603,177.68 × 5,146,448.36 - Step 4: Simplify right side
8,407,478.58x = 59,715,154,742,024.61 - Step 5: Solve for x
x = 59,715,154,742,024.61/8,407,478.58 - Step 6: Final answer
x = 7,102,623.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.