Finding the Fourth Proportional to 47,849,177.80, 71,770,284.48 and 18,697,556.44
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Solution
The fourth proportional to 47,849,177.80, 71,770,284.48 and 18,697,556.44 is: 28,044,973.95
Step by Step Solution
- Step 1: Write the proportion equation
47,849,177.80 : 71,770,284.48 = 18,697,556.44 : x - Step 2: Convert to fraction form
47,849,177.80/71,770,284.48 = 18,697,556.44/x - Step 3: Cross multiply
47,849,177.80x = 71,770,284.48 × 18,697,556.44 - Step 4: Simplify right side
47,849,177.80x = 1,341,928,944,779,656.25 - Step 5: Solve for x
x = 1,341,928,944,779,656.25/47,849,177.80 - Step 6: Final answer
x = 28,044,973.95
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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.