Finding the Fourth Proportional to 28,446,001.07, 39,255,584.85 and 15,393,258.63
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Solution
The fourth proportional to 28,446,001.07, 39,255,584.85 and 15,393,258.63 is: 21,242,752.85
Step by Step Solution
- Step 1: Write the proportion equation
28,446,001.07 : 39,255,584.85 = 15,393,258.63 : x - Step 2: Convert to fraction form
28,446,001.07/39,255,584.85 = 15,393,258.63/x - Step 3: Cross multiply
28,446,001.07x = 39,255,584.85 × 15,393,258.63 - Step 4: Simplify right side
28,446,001.07x = 604,271,370,267,959.75 - Step 5: Solve for x
x = 604,271,370,267,959.75/28,446,001.07 - Step 6: Final answer
x = 21,242,752.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.