Finding the Fourth Proportional to 9,896,299.05, 13,648,795.70 and 6,965,817.18
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Solution
The fourth proportional to 9,896,299.05, 13,648,795.70 and 6,965,817.18 is: 9,607,128.39
Step by Step Solution
- Step 1: Write the proportion equation
9,896,299.05 : 13,648,795.70 = 6,965,817.18 : x - Step 2: Convert to fraction form
9,896,299.05/13,648,795.70 = 6,965,817.18/x - Step 3: Cross multiply
9,896,299.05x = 13,648,795.70 × 6,965,817.18 - Step 4: Simplify right side
9,896,299.05x = 95,075,015,538,541.03 - Step 5: Solve for x
x = 95,075,015,538,541.03/9,896,299.05 - Step 6: Final answer
x = 9,607,128.39
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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.