Finding the Fourth Proportional to 10,243,209.98, 15,372,392.93 and 4,851,888.66
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Solution
The fourth proportional to 10,243,209.98, 15,372,392.93 and 4,851,888.66 is: 7,281,422.43
Step by Step Solution
- Step 1: Write the proportion equation
10,243,209.98 : 15,372,392.93 = 4,851,888.66 : x - Step 2: Convert to fraction form
10,243,209.98/15,372,392.93 = 4,851,888.66/x - Step 3: Cross multiply
10,243,209.98x = 15,372,392.93 × 4,851,888.66 - Step 4: Simplify right side
10,243,209.98x = 74,585,138,928,066.31 - Step 5: Solve for x
x = 74,585,138,928,066.31/10,243,209.98 - Step 6: Final answer
x = 7,281,422.43
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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.