Finding the Fourth Proportional to 60,403,206.40, 90,636,302.40 and 26,327,996.80
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Solution
The fourth proportional to 60,403,206.40, 90,636,302.40 and 26,327,996.80 is: 39,505,721.99
Step by Step Solution
- Step 1: Write the proportion equation
60,403,206.40 : 90,636,302.40 = 26,327,996.80 : x - Step 2: Convert to fraction form
60,403,206.40/90,636,302.40 = 26,327,996.80/x - Step 3: Cross multiply
60,403,206.40x = 90,636,302.40 × 26,327,996.80 - Step 4: Simplify right side
60,403,206.40x = 2,386,272,279,551,032.50 - Step 5: Solve for x
x = 2,386,272,279,551,032.50/60,403,206.40 - Step 6: Final answer
x = 39,505,721.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.