Finding the Fourth Proportional to 15,549,221.99, 21,465,695.02 and 9,670,751.20
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Solution
The fourth proportional to 15,549,221.99, 21,465,695.02 and 9,670,751.20 is: 13,350,468.34
Step by Step Solution
- Step 1: Write the proportion equation
15,549,221.99 : 21,465,695.02 = 9,670,751.20 : x - Step 2: Convert to fraction form
15,549,221.99/21,465,695.02 = 9,670,751.20/x - Step 3: Cross multiply
15,549,221.99x = 21,465,695.02 × 9,670,751.20 - Step 4: Simplify right side
15,549,221.99x = 207,589,395,873,499 - Step 5: Solve for x
x = 207,589,395,873,499/15,549,221.99 - Step 6: Final answer
x = 13,350,468.34
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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.