Finding the Fourth Proportional to 26,387,014.29, 36,414,055.20 and 14,784,660.75
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Solution
The fourth proportional to 26,387,014.29, 36,414,055.20 and 14,784,660.75 is: 20,402,818.10
Step by Step Solution
- Step 1: Write the proportion equation
26,387,014.29 : 36,414,055.20 = 14,784,660.75 : x - Step 2: Convert to fraction form
26,387,014.29/36,414,055.20 = 14,784,660.75/x - Step 3: Cross multiply
26,387,014.29x = 36,414,055.20 × 14,784,660.75 - Step 4: Simplify right side
26,387,014.29x = 538,369,452,663,773.44 - Step 5: Solve for x
x = 538,369,452,663,773.44/26,387,014.29 - Step 6: Final answer
x = 20,402,818.10
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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.