Finding the Fourth Proportional to 19,908,575.48, 27,459,165.62 and 15,014,003.87
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Solution
The fourth proportional to 19,908,575.48, 27,459,165.62 and 15,014,003.87 is: 20,708,263.09
Step by Step Solution
- Step 1: Write the proportion equation
19,908,575.48 : 27,459,165.62 = 15,014,003.87 : x - Step 2: Convert to fraction form
19,908,575.48/27,459,165.62 = 15,014,003.87/x - Step 3: Cross multiply
19,908,575.48x = 27,459,165.62 × 15,014,003.87 - Step 4: Simplify right side
19,908,575.48x = 412,272,018,673,285.06 - Step 5: Solve for x
x = 412,272,018,673,285.06/19,908,575.48 - Step 6: Final answer
x = 20,708,263.09
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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.