Finding the Fourth Proportional to 15,798,588.78, 21,802,725.84 and 8,829,266.13
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Solution
The fourth proportional to 15,798,588.78, 21,802,725.84 and 8,829,266.13 is: 12,184,763.55
Step by Step Solution
- Step 1: Write the proportion equation
15,798,588.78 : 21,802,725.84 = 8,829,266.13 : x - Step 2: Convert to fraction form
15,798,588.78/21,802,725.84 = 8,829,266.13/x - Step 3: Cross multiply
15,798,588.78x = 21,802,725.84 × 8,829,266.13 - Step 4: Simplify right side
15,798,588.78x = 192,502,068,722,901.72 - Step 5: Solve for x
x = 192,502,068,722,901.72/15,798,588.78 - Step 6: Final answer
x = 12,184,763.55
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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.