Finding the Fourth Proportional to 45,664,460.26, 68,508,121.11 and 13,316,366.50
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Solution
The fourth proportional to 45,664,460.26, 68,508,121.11 and 13,316,366.50 is: 19,977,883.10
Step by Step Solution
- Step 1: Write the proportion equation
45,664,460.26 : 68,508,121.11 = 13,316,366.50 : x - Step 2: Convert to fraction form
45,664,460.26/68,508,121.11 = 13,316,366.50/x - Step 3: Cross multiply
45,664,460.26x = 68,508,121.11 × 13,316,366.50 - Step 4: Simplify right side
45,664,460.26x = 912,279,248,927,146.75 - Step 5: Solve for x
x = 912,279,248,927,146.75/45,664,460.26 - Step 6: Final answer
x = 19,977,883.10
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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.