Finding the Fourth Proportional to 29,660,260.07, 40,931,818.17 and 16,929,712.65
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Solution
The fourth proportional to 29,660,260.07, 40,931,818.17 and 16,929,712.65 is: 23,363,379.76
Step by Step Solution
- Step 1: Write the proportion equation
29,660,260.07 : 40,931,818.17 = 16,929,712.65 : x - Step 2: Convert to fraction form
29,660,260.07/40,931,818.17 = 16,929,712.65/x - Step 3: Cross multiply
29,660,260.07x = 40,931,818.17 × 16,929,712.65 - Step 4: Simplify right side
29,660,260.07x = 692,963,919,860,148.88 - Step 5: Solve for x
x = 692,963,919,860,148.88/29,660,260.07 - Step 6: Final answer
x = 23,363,379.76
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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.