Finding the Fourth Proportional to 13,097,591.79, 18,064,994.07 and 9,611,752.99
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Solution
The fourth proportional to 13,097,591.79, 18,064,994.07 and 9,611,752.99 is: 13,257,113.49
Step by Step Solution
- Step 1: Write the proportion equation
13,097,591.79 : 18,064,994.07 = 9,611,752.99 : x - Step 2: Convert to fraction form
13,097,591.79/18,064,994.07 = 9,611,752.99/x - Step 3: Cross multiply
13,097,591.79x = 18,064,994.07 × 9,611,752.99 - Step 4: Simplify right side
13,097,591.79x = 173,636,260,788,149.91 - Step 5: Solve for x
x = 173,636,260,788,149.91/13,097,591.79 - Step 6: Final answer
x = 13,257,113.49
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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.