Finding the Fourth Proportional to 10,366,554.05, 15,549,831.08 and 4,974,286.85
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Solution
The fourth proportional to 10,366,554.05, 15,549,831.08 and 4,974,286.85 is: 7,461,430.28
Step by Step Solution
- Step 1: Write the proportion equation
10,366,554.05 : 15,549,831.08 = 4,974,286.85 : x - Step 2: Convert to fraction form
10,366,554.05/15,549,831.08 = 4,974,286.85/x - Step 3: Cross multiply
10,366,554.05x = 15,549,831.08 × 4,974,286.85 - Step 4: Simplify right side
10,366,554.05x = 77,349,320,260,965.30 - Step 5: Solve for x
x = 77,349,320,260,965.30/10,366,554.05 - Step 6: Final answer
x = 7,461,430.28
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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.