Finding the Fourth Proportional to 14,235,748.12, 21,357,263.54 and 4,138,369.12
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Solution
The fourth proportional to 14,235,748.12, 21,357,263.54 and 4,138,369.12 is: 6,208,612.23
Step by Step Solution
- Step 1: Write the proportion equation
14,235,748.12 : 21,357,263.54 = 4,138,369.12 : x - Step 2: Convert to fraction form
14,235,748.12/21,357,263.54 = 4,138,369.12/x - Step 3: Cross multiply
14,235,748.12x = 21,357,263.54 × 4,138,369.12 - Step 4: Simplify right side
14,235,748.12x = 88,384,239,921,637.89 - Step 5: Solve for x
x = 88,384,239,921,637.89/14,235,748.12 - Step 6: Final answer
x = 6,208,612.23
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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.