Finding the Fourth Proportional to 42,207,567.36, 58,246,545.60 and 22,891,983.36
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Solution
The fourth proportional to 42,207,567.36, 58,246,545.60 and 22,891,983.36 is: 31,590,992.71
Step by Step Solution
- Step 1: Write the proportion equation
42,207,567.36 : 58,246,545.60 = 22,891,983.36 : x - Step 2: Convert to fraction form
42,207,567.36/58,246,545.60 = 22,891,983.36/x - Step 3: Cross multiply
42,207,567.36x = 58,246,545.60 × 22,891,983.36 - Step 4: Simplify right side
42,207,567.36x = 1,333,378,952,652,681.25 - Step 5: Solve for x
x = 1,333,378,952,652,681.25/42,207,567.36 - Step 6: Final answer
x = 31,590,992.71
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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.