Finding the Fourth Proportional to 14,236,191.48, 19,646,303.76 and 8,732,601.12
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Solution
The fourth proportional to 14,236,191.48, 19,646,303.76 and 8,732,601.12 is: 12,051,210.08
Step by Step Solution
- Step 1: Write the proportion equation
14,236,191.48 : 19,646,303.76 = 8,732,601.12 : x - Step 2: Convert to fraction form
14,236,191.48/19,646,303.76 = 8,732,601.12/x - Step 3: Cross multiply
14,236,191.48x = 19,646,303.76 × 8,732,601.12 - Step 4: Simplify right side
14,236,191.48x = 171,563,334,218,436.22 - Step 5: Solve for x
x = 171,563,334,218,436.22/14,236,191.48 - Step 6: Final answer
x = 12,051,210.08
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1.5x scale
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.