Finding the Fourth Proportional to 43,130,716.29, 64,684,290.68 and 15,459,476.19
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Solution
The fourth proportional to 43,130,716.29, 64,684,290.68 and 15,459,476.19 is: 23,184,990.60
Step by Step Solution
- Step 1: Write the proportion equation
43,130,716.29 : 64,684,290.68 = 15,459,476.19 : x - Step 2: Convert to fraction form
43,130,716.29/64,684,290.68 = 15,459,476.19/x - Step 3: Cross multiply
43,130,716.29x = 64,684,290.68 × 15,459,476.19 - Step 4: Simplify right side
43,130,716.29x = 999,985,251,903,529.12 - Step 5: Solve for x
x = 999,985,251,903,529.12/43,130,716.29 - Step 6: Final answer
x = 23,184,990.60
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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.