Finding the Fourth Proportional to 38,549,378.52, 53,189,536.75 and 22,860,430.59
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Solution
The fourth proportional to 38,549,378.52, 53,189,536.75 and 22,860,430.59 is: 31,542,290.95
Step by Step Solution
- Step 1: Write the proportion equation
38,549,378.52 : 53,189,536.75 = 22,860,430.59 : x - Step 2: Convert to fraction form
38,549,378.52/53,189,536.75 = 22,860,430.59/x - Step 3: Cross multiply
38,549,378.52x = 53,189,536.75 × 22,860,430.59 - Step 4: Simplify right side
38,549,378.52x = 1,215,935,712,873,327 - Step 5: Solve for x
x = 1,215,935,712,873,327/38,549,378.52 - Step 6: Final answer
x = 31,542,290.95
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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.