Finding the Fourth Proportional to 26,295,135.60, 39,449,615.40 and 8,344,210.80
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Solution
The fourth proportional to 26,295,135.60, 39,449,615.40 and 8,344,210.80 is: 12,518,509.58
Step by Step Solution
- Step 1: Write the proportion equation
26,295,135.60 : 39,449,615.40 = 8,344,210.80 : x - Step 2: Convert to fraction form
26,295,135.60/39,449,615.40 = 8,344,210.80/x - Step 3: Cross multiply
26,295,135.60x = 39,449,615.40 × 8,344,210.80 - Step 4: Simplify right side
26,295,135.60x = 329,175,906,876,526.31 - Step 5: Solve for x
x = 329,175,906,876,526.31/26,295,135.60 - Step 6: Final answer
x = 12,518,509.58
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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.