Finding the Fourth Proportional to 29,299,460.19, 40,430,341.78 and 16,913,543.91
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Solution
The fourth proportional to 29,299,460.19, 40,430,341.78 and 16,913,543.91 is: 23,339,008.86
Step by Step Solution
- Step 1: Write the proportion equation
29,299,460.19 : 40,430,341.78 = 16,913,543.91 : x - Step 2: Convert to fraction form
29,299,460.19/40,430,341.78 = 16,913,543.91/x - Step 3: Cross multiply
29,299,460.19x = 40,430,341.78 × 16,913,543.91 - Step 4: Simplify right side
29,299,460.19x = 683,820,360,992,337.62 - Step 5: Solve for x
x = 683,820,360,992,337.62/29,299,460.19 - Step 6: Final answer
x = 23,339,008.86
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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.