Finding the Fourth Proportional to 20,625,928,031,782, 28,463,869,175,426 and 11,250,929,865,958
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Solution
The fourth proportional to 20,625,928,031,782, 28,463,869,175,426 and 11,250,929,865,958 is: 15,526,331,484,967.07
Step by Step Solution
- Step 1: Write the proportion equation
20,625,928,031,782 : 28,463,869,175,426 = 11,250,929,865,958 : x - Step 2: Convert to fraction form
20,625,928,031,782/28,463,869,175,426 = 11,250,929,865,958/x - Step 3: Cross multiply
20,625,928,031,782x = 28,463,869,175,426 × 11,250,929,865,958 - Step 4: Simplify right side
20,625,928,031,782x = 320,244,995,806,521,719,020,060,672 - Step 5: Solve for x
x = 320,244,995,806,521,719,020,060,672/20,625,928,031,782 - Step 6: Final answer
x = 15,526,331,484,967.07
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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.