Finding the Fourth Proportional to 12,865,470.68, 17,754,349.62 and 7,064,252.45
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Solution
The fourth proportional to 12,865,470.68, 17,754,349.62 and 7,064,252.45 is: 9,748,668.43
Step by Step Solution
- Step 1: Write the proportion equation
12,865,470.68 : 17,754,349.62 = 7,064,252.45 : x - Step 2: Convert to fraction form
12,865,470.68/17,754,349.62 = 7,064,252.45/x - Step 3: Cross multiply
12,865,470.68x = 17,754,349.62 × 7,064,252.45 - Step 4: Simplify right side
12,865,470.68x = 125,421,207,801,241.58 - Step 5: Solve for x
x = 125,421,207,801,241.58/12,865,470.68 - Step 6: Final answer
x = 9,748,668.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.