Finding the Fourth Proportional to 27,700,459.41, 38,226,783.93 and 15,141,531.18
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Solution
The fourth proportional to 27,700,459.41, 38,226,783.93 and 15,141,531.18 is: 20,895,394.99
Step by Step Solution
- Step 1: Write the proportion equation
27,700,459.41 : 38,226,783.93 = 15,141,531.18 : x - Step 2: Convert to fraction form
27,700,459.41/38,226,783.93 = 15,141,531.18/x - Step 3: Cross multiply
27,700,459.41x = 38,226,783.93 × 15,141,531.18 - Step 4: Simplify right side
27,700,459.41x = 578,812,040,787,217.88 - Step 5: Solve for x
x = 578,812,040,787,217.88/27,700,459.41 - Step 6: Final answer
x = 20,895,394.99
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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.