Finding the Fourth Proportional to 23,729,981.63, 32,748,646.14 and 13,275,374.29
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Solution
The fourth proportional to 23,729,981.63, 32,748,646.14 and 13,275,374.29 is: 18,320,727.84
Step by Step Solution
- Step 1: Write the proportion equation
23,729,981.63 : 32,748,646.14 = 13,275,374.29 : x - Step 2: Convert to fraction form
23,729,981.63/32,748,646.14 = 13,275,374.29/x - Step 3: Cross multiply
23,729,981.63x = 32,748,646.14 × 13,275,374.29 - Step 4: Simplify right side
23,729,981.63x = 434,750,534,999,263.75 - Step 5: Solve for x
x = 434,750,534,999,263.75/23,729,981.63 - Step 6: Final answer
x = 18,320,727.84
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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.