Finding the Fourth Proportional to 11,787,994.39, 16,258,663.48 and 10,408,905
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Solution
The fourth proportional to 11,787,994.39, 16,258,663.48 and 10,408,905 is: 14,356,545.99
Step by Step Solution
- Step 1: Write the proportion equation
11,787,994.39 : 16,258,663.48 = 10,408,905 : x - Step 2: Convert to fraction form
11,787,994.39/16,258,663.48 = 10,408,905/x - Step 3: Cross multiply
11,787,994.39x = 16,258,663.48 × 10,408,905 - Step 4: Simplify right side
11,787,994.39x = 169,234,883,590,289.41 - Step 5: Solve for x
x = 169,234,883,590,289.41/11,787,994.39 - Step 6: Final answer
x = 14,356,545.99
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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.