Finding the Fourth Proportional to 48,499,345.71, 66,919,106.12 and 27,868,806.09
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Solution
The fourth proportional to 48,499,345.71, 66,919,106.12 and 27,868,806.09 is: 38,453,211.37
Step by Step Solution
- Step 1: Write the proportion equation
48,499,345.71 : 66,919,106.12 = 27,868,806.09 : x - Step 2: Convert to fraction form
48,499,345.71/66,919,106.12 = 27,868,806.09/x - Step 3: Cross multiply
48,499,345.71x = 66,919,106.12 × 27,868,806.09 - Step 4: Simplify right side
48,499,345.71x = 1,864,955,592,035,068.25 - Step 5: Solve for x
x = 1,864,955,592,035,068.25/48,499,345.71 - Step 6: Final answer
x = 38,453,211.37
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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.