Finding the Fourth Proportional to 19,748,732, 27,242,275.58 and 11,487,864.92
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Solution
The fourth proportional to 19,748,732, 27,242,275.58 and 11,487,864.92 is: 15,846,869.66
Step by Step Solution
- Step 1: Write the proportion equation
19,748,732 : 27,242,275.58 = 11,487,864.92 : x - Step 2: Convert to fraction form
19,748,732/27,242,275.58 = 11,487,864.92/x - Step 3: Cross multiply
19,748,732x = 27,242,275.58 × 11,487,864.92 - Step 4: Simplify right side
19,748,732x = 312,955,581,976,454.62 - Step 5: Solve for x
x = 312,955,581,976,454.62/19,748,732 - Step 6: Final answer
x = 15,846,869.66
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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.