Finding the Fourth Proportional to 26,372,387.70, 39,565,579.95 and 9,331,283.70
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Solution
The fourth proportional to 26,372,387.70, 39,565,579.95 and 9,331,283.70 is: 13,999,401.78
Step by Step Solution
- Step 1: Write the proportion equation
26,372,387.70 : 39,565,579.95 = 9,331,283.70 : x - Step 2: Convert to fraction form
26,372,387.70/39,565,579.95 = 9,331,283.70/x - Step 3: Cross multiply
26,372,387.70x = 39,565,579.95 × 9,331,283.70 - Step 4: Simplify right side
26,372,387.70x = 369,197,651,268,481.81 - Step 5: Solve for x
x = 369,197,651,268,481.81/26,372,387.70 - Step 6: Final answer
x = 13,999,401.78
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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.