Finding the Fourth Proportional to 18,604,058.60, 27,909,812.90 and 10,418,341.70
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Solution
The fourth proportional to 18,604,058.60, 27,909,812.90 and 10,418,341.70 is: 15,629,598.56
Step by Step Solution
- Step 1: Write the proportion equation
18,604,058.60 : 27,909,812.90 = 10,418,341.70 : x - Step 2: Convert to fraction form
18,604,058.60/27,909,812.90 = 10,418,341.70/x - Step 3: Cross multiply
18,604,058.60x = 27,909,812.90 × 10,418,341.70 - Step 4: Simplify right side
18,604,058.60x = 290,773,967,575,267.88 - Step 5: Solve for x
x = 290,773,967,575,267.88/18,604,058.60 - Step 6: Final answer
x = 15,629,598.56
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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.