Finding the Fourth Proportional to 23,205,202.69, 32,021,305.01 and 13,416,277.71
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Solution
The fourth proportional to 23,205,202.69, 32,021,305.01 and 13,416,277.71 is: 18,513,379.37
Step by Step Solution
- Step 1: Write the proportion equation
23,205,202.69 : 32,021,305.01 = 13,416,277.71 : x - Step 2: Convert to fraction form
23,205,202.69/32,021,305.01 = 13,416,277.71/x - Step 3: Cross multiply
23,205,202.69x = 32,021,305.01 × 13,416,277.71 - Step 4: Simplify right side
23,205,202.69x = 429,606,720,650,774.38 - Step 5: Solve for x
x = 429,606,720,650,774.38/23,205,202.69 - Step 6: Final answer
x = 18,513,379.37
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1.5x scale
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.