Finding the Fourth Proportional to 26,751,330.40, 40,139,437.20 and 13,986,248.80
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Solution
The fourth proportional to 26,751,330.40, 40,139,437.20 and 13,986,248.80 is: 20,985,877.97
Step by Step Solution
- Step 1: Write the proportion equation
26,751,330.40 : 40,139,437.20 = 13,986,248.80 : x - Step 2: Convert to fraction form
26,751,330.40/40,139,437.20 = 13,986,248.80/x - Step 3: Cross multiply
26,751,330.40x = 40,139,437.20 × 13,986,248.80 - Step 4: Simplify right side
26,751,330.40x = 561,400,155,371,175.44 - Step 5: Solve for x
x = 561,400,155,371,175.44/26,751,330.40 - Step 6: Final answer
x = 20,985,877.97
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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.