Finding the Fourth Proportional to 39,216,172.41, 54,129,712.73 and 26,163,399.06
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Solution
The fourth proportional to 39,216,172.41, 54,129,712.73 and 26,163,399.06 is: 36,113,092.84
Step by Step Solution
- Step 1: Write the proportion equation
39,216,172.41 : 54,129,712.73 = 26,163,399.06 : x - Step 2: Convert to fraction form
39,216,172.41/54,129,712.73 = 26,163,399.06/x - Step 3: Cross multiply
39,216,172.41x = 54,129,712.73 × 26,163,399.06 - Step 4: Simplify right side
39,216,172.41x = 1,416,217,275,027,335 - Step 5: Solve for x
x = 1,416,217,275,027,335/39,216,172.41 - Step 6: Final answer
x = 36,113,092.84
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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.