Finding the Fourth Proportional to 11,564,956.49, 15,958,762.07 and 6,408,207.32
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Solution
The fourth proportional to 11,564,956.49, 15,958,762.07 and 6,408,207.32 is: 8,842,839.65
Step by Step Solution
- Step 1: Write the proportion equation
11,564,956.49 : 15,958,762.07 = 6,408,207.32 : x - Step 2: Convert to fraction form
11,564,956.49/15,958,762.07 = 6,408,207.32/x - Step 3: Cross multiply
11,564,956.49x = 15,958,762.07 × 6,408,207.32 - Step 4: Simplify right side
11,564,956.49x = 102,267,055,803,277.52 - Step 5: Solve for x
x = 102,267,055,803,277.52/11,564,956.49 - Step 6: Final answer
x = 8,842,839.65
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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.