Finding the Fourth Proportional to 29,214,925.80, 40,309,354.14 and 18,889,224.12
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Solution
The fourth proportional to 29,214,925.80, 40,309,354.14 and 18,889,224.12 is: 26,062,445.95
Step by Step Solution
- Step 1: Write the proportion equation
29,214,925.80 : 40,309,354.14 = 18,889,224.12 : x - Step 2: Convert to fraction form
29,214,925.80/40,309,354.14 = 18,889,224.12/x - Step 3: Cross multiply
29,214,925.80x = 40,309,354.14 × 18,889,224.12 - Step 4: Simplify right side
29,214,925.80x = 761,412,424,482,909.88 - Step 5: Solve for x
x = 761,412,424,482,909.88/29,214,925.80 - Step 6: Final answer
x = 26,062,445.95
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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.