Finding the Fourth Proportional to 12,924,598.74, 17,835,971.34 and 7,044,298.84
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Solution
The fourth proportional to 12,924,598.74, 17,835,971.34 and 7,044,298.84 is: 9,721,146.07
Step by Step Solution
- Step 1: Write the proportion equation
12,924,598.74 : 17,835,971.34 = 7,044,298.84 : x - Step 2: Convert to fraction form
12,924,598.74/17,835,971.34 = 7,044,298.84/x - Step 3: Cross multiply
12,924,598.74x = 17,835,971.34 × 7,044,298.84 - Step 4: Simplify right side
12,924,598.74x = 125,641,912,220,635.23 - Step 5: Solve for x
x = 125,641,912,220,635.23/12,924,598.74 - Step 6: Final answer
x = 9,721,146.07
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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.