Finding the Fourth Proportional to 34,362,580.08, 47,417,555.88 and 20,231,536.08
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Solution
The fourth proportional to 34,362,580.08, 47,417,555.88 and 20,231,536.08 is: 27,917,868.52
Step by Step Solution
- Step 1: Write the proportion equation
34,362,580.08 : 47,417,555.88 = 20,231,536.08 : x - Step 2: Convert to fraction form
34,362,580.08/47,417,555.88 = 20,231,536.08/x - Step 3: Cross multiply
34,362,580.08x = 47,417,555.88 × 20,231,536.08 - Step 4: Simplify right side
34,362,580.08x = 959,329,992,611,636.12 - Step 5: Solve for x
x = 959,329,992,611,636.12/34,362,580.08 - Step 6: Final answer
x = 27,917,868.52
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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.