Finding the Fourth Proportional to 28,242,550.92, 38,852,416.56 and 24,742,126.20
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Solution
The fourth proportional to 28,242,550.92, 38,852,416.56 and 24,742,126.20 is: 34,036,988.95
Step by Step Solution
- Step 1: Write the proportion equation
28,242,550.92 : 38,852,416.56 = 24,742,126.20 : x - Step 2: Convert to fraction form
28,242,550.92/38,852,416.56 = 24,742,126.20/x - Step 3: Cross multiply
28,242,550.92x = 38,852,416.56 × 24,742,126.20 - Step 4: Simplify right side
28,242,550.92x = 961,291,393,702,489.88 - Step 5: Solve for x
x = 961,291,393,702,489.88/28,242,550.92 - Step 6: Final answer
x = 34,036,988.95
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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.