Finding the Fourth Proportional to 34,462,341.78, 47,558,039.15 and 18,781,369.99
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Solution
The fourth proportional to 34,462,341.78, 47,558,039.15 and 18,781,369.99 is: 25,918,294.67
Step by Step Solution
- Step 1: Write the proportion equation
34,462,341.78 : 47,558,039.15 = 18,781,369.99 : x - Step 2: Convert to fraction form
34,462,341.78/47,558,039.15 = 18,781,369.99/x - Step 3: Cross multiply
34,462,341.78x = 47,558,039.15 × 18,781,369.99 - Step 4: Simplify right side
34,462,341.78x = 893,205,129,132,683.38 - Step 5: Solve for x
x = 893,205,129,132,683.38/34,462,341.78 - Step 6: Final answer
x = 25,918,294.67
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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.