Finding the Fourth Proportional to 34,085,056.44, 47,038,538.51 and 20,158,349.79
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Solution
The fourth proportional to 34,085,056.44, 47,038,538.51 and 20,158,349.79 is: 27,819,209.12
Step by Step Solution
- Step 1: Write the proportion equation
34,085,056.44 : 47,038,538.51 = 20,158,349.79 : x - Step 2: Convert to fraction form
34,085,056.44/47,038,538.51 = 20,158,349.79/x - Step 3: Cross multiply
34,085,056.44x = 47,038,538.51 × 20,158,349.79 - Step 4: Simplify right side
34,085,056.44x = 948,219,312,894,965.38 - Step 5: Solve for x
x = 948,219,312,894,965.38/34,085,056.44 - Step 6: Final answer
x = 27,819,209.12
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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.