Finding the Fourth Proportional to 8,913,488.58, 12,363,544.94 and 8,677,236.06
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Solution
The fourth proportional to 8,913,488.58, 12,363,544.94 and 8,677,236.06 is: 12,035,848.48
Step by Step Solution
- Step 1: Write the proportion equation
8,913,488.58 : 12,363,544.94 = 8,677,236.06 : x - Step 2: Convert to fraction form
8,913,488.58/12,363,544.94 = 8,677,236.06/x - Step 3: Cross multiply
8,913,488.58x = 12,363,544.94 × 8,677,236.06 - Step 4: Simplify right side
8,913,488.58x = 107,281,397,939,412.36 - Step 5: Solve for x
x = 107,281,397,939,412.36/8,913,488.58 - Step 6: Final answer
x = 12,035,848.48
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.