Finding the Fourth Proportional to 35,345,209.20, 53,017,813.80 and 18,339,097.20
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Solution
The fourth proportional to 35,345,209.20, 53,017,813.80 and 18,339,097.20 is: 27,508,645.80
Step by Step Solution
- Step 1: Write the proportion equation
35,345,209.20 : 53,017,813.80 = 18,339,097.20 : x - Step 2: Convert to fraction form
35,345,209.20/53,017,813.80 = 18,339,097.20/x - Step 3: Cross multiply
35,345,209.20x = 53,017,813.80 × 18,339,097.20 - Step 4: Simplify right side
35,345,209.20x = 972,298,840,609,701.25 - Step 5: Solve for x
x = 972,298,840,609,701.25/35,345,209.20 - Step 6: Final answer
x = 27,508,645.80
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1.5x scale
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.