Finding the Fourth Proportional to 51,153,461.12, 70,590,942.08 and 27,948,088.64
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Solution
The fourth proportional to 51,153,461.12, 70,590,942.08 and 27,948,088.64 is: 38,567,906.52
Step by Step Solution
- Step 1: Write the proportion equation
51,153,461.12 : 70,590,942.08 = 27,948,088.64 : x - Step 2: Convert to fraction form
51,153,461.12/70,590,942.08 = 27,948,088.64/x - Step 3: Cross multiply
51,153,461.12x = 70,590,942.08 × 27,948,088.64 - Step 4: Simplify right side
51,153,461.12x = 1,972,881,906,432,946 - Step 5: Solve for x
x = 1,972,881,906,432,946/51,153,461.12 - Step 6: Final answer
x = 38,567,906.52
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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.