Finding the Fourth Proportional to 19,908,634.74, 27,459,247.91 and 15,014,063.13
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Solution
The fourth proportional to 19,908,634.74, 27,459,247.91 and 15,014,063.13 is: 20,708,345.24
Step by Step Solution
- Step 1: Write the proportion equation
19,908,634.74 : 27,459,247.91 = 15,014,063.13 : x - Step 2: Convert to fraction form
19,908,634.74/27,459,247.91 = 15,014,063.13/x - Step 3: Cross multiply
19,908,634.74x = 27,459,247.91 × 15,014,063.13 - Step 4: Simplify right side
19,908,634.74x = 412,274,881,547,990.31 - Step 5: Solve for x
x = 412,274,881,547,990.31/19,908,634.74 - Step 6: Final answer
x = 20,708,345.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.