Finding the Fourth Proportional to 31,434,582.19, 47,151,884.19 and 14,142,587.98
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Solution
The fourth proportional to 31,434,582.19, 47,151,884.19 and 14,142,587.98 is: 21,213,886.88
Step by Step Solution
- Step 1: Write the proportion equation
31,434,582.19 : 47,151,884.19 = 14,142,587.98 : x - Step 2: Convert to fraction form
31,434,582.19/47,151,884.19 = 14,142,587.98/x - Step 3: Cross multiply
31,434,582.19x = 47,151,884.19 × 14,142,587.98 - Step 4: Simplify right side
31,434,582.19x = 666,849,670,579,846 - Step 5: Solve for x
x = 666,849,670,579,846/31,434,582.19 - Step 6: Final answer
x = 21,213,886.88
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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.