Finding the Fourth Proportional to 34,934,862.84, 48,210,308.36 and 20,259,242.66
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Solution
The fourth proportional to 34,934,862.84, 48,210,308.36 and 20,259,242.66 is: 27,957,869.49
Step by Step Solution
- Step 1: Write the proportion equation
34,934,862.84 : 48,210,308.36 = 20,259,242.66 : x - Step 2: Convert to fraction form
34,934,862.84/48,210,308.36 = 20,259,242.66/x - Step 3: Cross multiply
34,934,862.84x = 48,210,308.36 × 20,259,242.66 - Step 4: Simplify right side
34,934,862.84x = 976,704,335,778,666.62 - Step 5: Solve for x
x = 976,704,335,778,666.62/34,934,862.84 - Step 6: Final answer
x = 27,957,869.49
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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.