Finding the Fourth Proportional to 14,808,971.92, 20,436,263.58 and 8,282,596.23
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Solution
The fourth proportional to 14,808,971.92, 20,436,263.58 and 8,282,596.23 is: 11,429,916.99
Step by Step Solution
- Step 1: Write the proportion equation
14,808,971.92 : 20,436,263.58 = 8,282,596.23 : x - Step 2: Convert to fraction form
14,808,971.92/20,436,263.58 = 8,282,596.23/x - Step 3: Cross multiply
14,808,971.92x = 20,436,263.58 × 8,282,596.23 - Step 4: Simplify right side
14,808,971.92x = 169,265,319,682,994.31 - Step 5: Solve for x
x = 169,265,319,682,994.31/14,808,971.92 - Step 6: Final answer
x = 11,429,916.99
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1.5x scale
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.