Finding the Fourth Proportional to 40,259,283.13, 60,387,237.91 and 12,964,971.75
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Solution
The fourth proportional to 40,259,283.13, 60,387,237.91 and 12,964,971.75 is: 19,446,914.42
Step by Step Solution
- Step 1: Write the proportion equation
40,259,283.13 : 60,387,237.91 = 12,964,971.75 : x - Step 2: Convert to fraction form
40,259,283.13/60,387,237.91 = 12,964,971.75/x - Step 3: Cross multiply
40,259,283.13x = 60,387,237.91 × 12,964,971.75 - Step 4: Simplify right side
40,259,283.13x = 782,918,833,563,679 - Step 5: Solve for x
x = 782,918,833,563,679/40,259,283.13 - Step 6: Final answer
x = 19,446,914.42
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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.