Finding the Fourth Proportional to 9,642,110.30, 13,306,495.84 and 5,291,352.30
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Solution
The fourth proportional to 9,642,110.30, 13,306,495.84 and 5,291,352.30 is: 7,302,276.70
Step by Step Solution
- Step 1: Write the proportion equation
9,642,110.30 : 13,306,495.84 = 5,291,352.30 : x - Step 2: Convert to fraction form
9,642,110.30/13,306,495.84 = 5,291,352.30/x - Step 3: Cross multiply
9,642,110.30x = 13,306,495.84 × 5,291,352.30 - Step 4: Simplify right side
9,642,110.30x = 70,409,357,367,924.42 - Step 5: Solve for x
x = 70,409,357,367,924.42/9,642,110.30 - Step 6: Final answer
x = 7,302,276.70
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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.