Finding the Fourth Proportional to 9,252,937.88, 12,768,637.54 and 5,122,679.03
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Solution
The fourth proportional to 9,252,937.88, 12,768,637.54 and 5,122,679.03 is: 7,069,066.35
Step by Step Solution
- Step 1: Write the proportion equation
9,252,937.88 : 12,768,637.54 = 5,122,679.03 : x - Step 2: Convert to fraction form
9,252,937.88/12,768,637.54 = 5,122,679.03/x - Step 3: Cross multiply
9,252,937.88x = 12,768,637.54 × 5,122,679.03 - Step 4: Simplify right side
9,252,937.88x = 65,409,631,767,828.78 - Step 5: Solve for x
x = 65,409,631,767,828.78/9,252,937.88 - Step 6: Final answer
x = 7,069,066.35
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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.