Finding the Fourth Proportional to 14,339,695.17, 19,788,530.16 and 7,813,378.26
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Solution
The fourth proportional to 14,339,695.17, 19,788,530.16 and 7,813,378.26 is: 10,782,326.23
Step by Step Solution
- Step 1: Write the proportion equation
14,339,695.17 : 19,788,530.16 = 7,813,378.26 : x - Step 2: Convert to fraction form
14,339,695.17/19,788,530.16 = 7,813,378.26/x - Step 3: Cross multiply
14,339,695.17x = 19,788,530.16 × 7,813,378.26 - Step 4: Simplify right side
14,339,695.17x = 154,615,271,349,498.31 - Step 5: Solve for x
x = 154,615,271,349,498.31/14,339,695.17 - Step 6: Final answer
x = 10,782,326.23
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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.