Finding the Fourth Proportional to 19,249,043.58, 28,863,957.96 and 6,293,506.68
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Solution
The fourth proportional to 19,249,043.58, 28,863,957.96 and 6,293,506.68 is: 9,437,118.86
Step by Step Solution
- Step 1: Write the proportion equation
19,249,043.58 : 28,863,957.96 = 6,293,506.68 : x - Step 2: Convert to fraction form
19,249,043.58/28,863,957.96 = 6,293,506.68/x - Step 3: Cross multiply
19,249,043.58x = 28,863,957.96 × 6,293,506.68 - Step 4: Simplify right side
19,249,043.58x = 181,655,512,232,499.16 - Step 5: Solve for x
x = 181,655,512,232,499.16/19,249,043.58 - Step 6: Final answer
x = 9,437,118.86
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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.