Finding the Fourth Proportional to 10,731,948.41, 14,808,744.60 and 7,254,852.66
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Solution
The fourth proportional to 10,731,948.41, 14,808,744.60 and 7,254,852.66 is: 10,010,787.99
Step by Step Solution
- Step 1: Write the proportion equation
10,731,948.41 : 14,808,744.60 = 7,254,852.66 : x - Step 2: Convert to fraction form
10,731,948.41/14,808,744.60 = 7,254,852.66/x - Step 3: Cross multiply
10,731,948.41x = 14,808,744.60 × 7,254,852.66 - Step 4: Simplify right side
10,731,948.41x = 107,435,260,152,570.64 - Step 5: Solve for x
x = 107,435,260,152,570.64/10,731,948.41 - Step 6: Final answer
x = 10,010,787.99
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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.