Finding the Fourth Proportional to 23,199,278.23, 32,010,782.61 and 13,406,132.80
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Solution
The fourth proportional to 23,199,278.23, 32,010,782.61 and 13,406,132.80 is: 18,498,023.88
Step by Step Solution
- Step 1: Write the proportion equation
23,199,278.23 : 32,010,782.61 = 13,406,132.80 : x - Step 2: Convert to fraction form
23,199,278.23/32,010,782.61 = 13,406,132.80/x - Step 3: Cross multiply
23,199,278.23x = 32,010,782.61 × 13,406,132.80 - Step 4: Simplify right side
23,199,278.23x = 429,140,802,701,590.62 - Step 5: Solve for x
x = 429,140,802,701,590.62/23,199,278.23 - Step 6: Final answer
x = 18,498,023.88
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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.