Finding the Fourth Proportional to 19,624,087.76, 29,433,813.54 and 5,248,269.80
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Solution
The fourth proportional to 19,624,087.76, 29,433,813.54 and 5,248,269.80 is: 7,871,784.75
Step by Step Solution
- Step 1: Write the proportion equation
19,624,087.76 : 29,433,813.54 = 5,248,269.80 : x - Step 2: Convert to fraction form
19,624,087.76/29,433,813.54 = 5,248,269.80/x - Step 3: Cross multiply
19,624,087.76x = 29,433,813.54 × 5,248,269.80 - Step 4: Simplify right side
19,624,087.76x = 154,476,594,700,813.09 - Step 5: Solve for x
x = 154,476,594,700,813.09/19,624,087.76 - Step 6: Final answer
x = 7,871,784.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.