Finding the Fourth Proportional to 22,708,417.32, 31,332,937.86 and 13,048,759.08
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Solution
The fourth proportional to 22,708,417.32, 31,332,937.86 and 13,048,759.08 is: 18,004,599.42
Step by Step Solution
- Step 1: Write the proportion equation
22,708,417.32 : 31,332,937.86 = 13,048,759.08 : x - Step 2: Convert to fraction form
22,708,417.32/31,332,937.86 = 13,048,759.08/x - Step 3: Cross multiply
22,708,417.32x = 31,332,937.86 × 13,048,759.08 - Step 4: Simplify right side
22,708,417.32x = 408,855,957,403,750.75 - Step 5: Solve for x
x = 408,855,957,403,750.75/22,708,417.32 - Step 6: Final answer
x = 18,004,599.42
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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.