Finding the Fourth Proportional to 42,927,531.68, 64,393,291.20 and 13,782,560
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Solution
The fourth proportional to 42,927,531.68, 64,393,291.20 and 13,782,560 is: 20,674,480.10
Step by Step Solution
- Step 1: Write the proportion equation
42,927,531.68 : 64,393,291.20 = 13,782,560 : x - Step 2: Convert to fraction form
42,927,531.68/64,393,291.20 = 13,782,560/x - Step 3: Cross multiply
42,927,531.68x = 64,393,291.20 × 13,782,560 - Step 4: Simplify right side
42,927,531.68x = 887,504,399,561,472 - Step 5: Solve for x
x = 887,504,399,561,472/42,927,531.68 - Step 6: Final answer
x = 20,674,480.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.