Finding the Fourth Proportional to 34,723,887.05, 47,921,118.11 and 19,253,971.68
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Solution
The fourth proportional to 34,723,887.05, 47,921,118.11 and 19,253,971.68 is: 26,571,675.28
Step by Step Solution
- Step 1: Write the proportion equation
34,723,887.05 : 47,921,118.11 = 19,253,971.68 : x - Step 2: Convert to fraction form
34,723,887.05/47,921,118.11 = 19,253,971.68/x - Step 3: Cross multiply
34,723,887.05x = 47,921,118.11 × 19,253,971.68 - Step 4: Simplify right side
34,723,887.05x = 922,671,851,012,010 - Step 5: Solve for x
x = 922,671,851,012,010/34,723,887.05 - Step 6: Final answer
x = 26,571,675.28
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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.