Finding the Fourth Proportional to 14,438,688.16, 19,934,449.92 and 9,290,995.84
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Solution
The fourth proportional to 14,438,688.16, 19,934,449.92 and 9,290,995.84 is: 12,827,404.35
Step by Step Solution
- Step 1: Write the proportion equation
14,438,688.16 : 19,934,449.92 = 9,290,995.84 : x - Step 2: Convert to fraction form
14,438,688.16/19,934,449.92 = 9,290,995.84/x - Step 3: Cross multiply
14,438,688.16x = 19,934,449.92 × 9,290,995.84 - Step 4: Simplify right side
14,438,688.16x = 185,210,891,279,408.34 - Step 5: Solve for x
x = 185,210,891,279,408.34/14,438,688.16 - Step 6: Final answer
x = 12,827,404.35
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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.