Finding the Fourth Proportional to 19,928,342.10, 29,883,655.80 and 7,793,772.60
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Solution
The fourth proportional to 19,928,342.10, 29,883,655.80 and 7,793,772.60 is: 11,687,194.88
Step by Step Solution
- Step 1: Write the proportion equation
19,928,342.10 : 29,883,655.80 = 7,793,772.60 : x - Step 2: Convert to fraction form
19,928,342.10/29,883,655.80 = 7,793,772.60/x - Step 3: Cross multiply
19,928,342.10x = 29,883,655.80 × 7,793,772.60 - Step 4: Simplify right side
19,928,342.10x = 232,906,417,761,871.06 - Step 5: Solve for x
x = 232,906,417,761,871.06/19,928,342.10 - Step 6: Final answer
x = 11,687,194.88
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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.