Finding the Fourth Proportional to 45,312,597.69, 62,514,981.81 and 29,640,567.84
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Solution
The fourth proportional to 45,312,597.69, 62,514,981.81 and 29,640,567.84 is: 40,893,253.84
Step by Step Solution
- Step 1: Write the proportion equation
45,312,597.69 : 62,514,981.81 = 29,640,567.84 : x - Step 2: Convert to fraction form
45,312,597.69/62,514,981.81 = 29,640,567.84/x - Step 3: Cross multiply
45,312,597.69x = 62,514,981.81 × 29,640,567.84 - Step 4: Simplify right side
45,312,597.69x = 1,852,979,559,355,671 - Step 5: Solve for x
x = 1,852,979,559,355,671/45,312,597.69 - Step 6: Final answer
x = 40,893,253.84
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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.