Finding the Fourth Proportional to 15,135,934.36, 22,710,987.42 and 6,615,163.66
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Solution
The fourth proportional to 15,135,934.36, 22,710,987.42 and 6,615,163.66 is: 9,925,842.38
Step by Step Solution
- Step 1: Write the proportion equation
15,135,934.36 : 22,710,987.42 = 6,615,163.66 : x - Step 2: Convert to fraction form
15,135,934.36/22,710,987.42 = 6,615,163.66/x - Step 3: Cross multiply
15,135,934.36x = 22,710,987.42 × 6,615,163.66 - Step 4: Simplify right side
15,135,934.36x = 150,236,898,663,501.19 - Step 5: Solve for x
x = 150,236,898,663,501.19/15,135,934.36 - Step 6: Final answer
x = 9,925,842.38
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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.