Finding the Fourth Proportional to 30,473,881.62, 45,717,596.67 and 14,291,207.93
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Solution
The fourth proportional to 30,473,881.62, 45,717,596.67 and 14,291,207.93 is: 21,439,988.77
Step by Step Solution
- Step 1: Write the proportion equation
30,473,881.62 : 45,717,596.67 = 14,291,207.93 : x - Step 2: Convert to fraction form
30,473,881.62/45,717,596.67 = 14,291,207.93/x - Step 3: Cross multiply
30,473,881.62x = 45,717,596.67 × 14,291,207.93 - Step 4: Simplify right side
30,473,881.62x = 653,359,679,842,257.62 - Step 5: Solve for x
x = 653,359,679,842,257.62/30,473,881.62 - Step 6: Final answer
x = 21,439,988.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.