Finding the Fourth Proportional to 15,990,288, 22,066,598.28 and 8,648,119.08
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Solution
The fourth proportional to 15,990,288, 22,066,598.28 and 8,648,119.08 is: 11,934,404.78
Step by Step Solution
- Step 1: Write the proportion equation
15,990,288 : 22,066,598.28 = 8,648,119.08 : x - Step 2: Convert to fraction form
15,990,288/22,066,598.28 = 8,648,119.08/x - Step 3: Cross multiply
15,990,288x = 22,066,598.28 × 8,648,119.08 - Step 4: Simplify right side
15,990,288x = 190,834,569,615,963.19 - Step 5: Solve for x
x = 190,834,569,615,963.19/15,990,288 - Step 6: Final answer
x = 11,934,404.78
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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.