Finding the Fourth Proportional to 9,748,422.84, 13,453,244.16 and 5,397,509.36
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Solution
The fourth proportional to 9,748,422.84, 13,453,244.16 and 5,397,509.36 is: 7,448,795.82
Step by Step Solution
- Step 1: Write the proportion equation
9,748,422.84 : 13,453,244.16 = 5,397,509.36 : x - Step 2: Convert to fraction form
9,748,422.84/13,453,244.16 = 5,397,509.36/x - Step 3: Cross multiply
9,748,422.84x = 13,453,244.16 × 5,397,509.36 - Step 4: Simplify right side
9,748,422.84x = 72,614,011,275,965.34 - Step 5: Solve for x
x = 72,614,011,275,965.34/9,748,422.84 - Step 6: Final answer
x = 7,448,795.82
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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.