Finding the Fourth Proportional to 47,085,153.47, 70,629,071.60 and 13,006,502.99
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Solution
The fourth proportional to 47,085,153.47, 70,629,071.60 and 13,006,502.99 is: 19,510,125.02
Step by Step Solution
- Step 1: Write the proportion equation
47,085,153.47 : 70,629,071.60 = 13,006,502.99 : x - Step 2: Convert to fraction form
47,085,153.47/70,629,071.60 = 13,006,502.99/x - Step 3: Cross multiply
47,085,153.47x = 70,629,071.60 × 13,006,502.99 - Step 4: Simplify right side
47,085,153.47x = 918,637,230,946,324 - Step 5: Solve for x
x = 918,637,230,946,324/47,085,153.47 - Step 6: Final answer
x = 19,510,125.02
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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.