Finding the Fourth Proportional to 19,128,412.77, 28,692,748.35 and 6,992,883.96
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Solution
The fourth proportional to 19,128,412.77, 28,692,748.35 and 6,992,883.96 is: 10,489,373.17
Step by Step Solution
- Step 1: Write the proportion equation
19,128,412.77 : 28,692,748.35 = 6,992,883.96 : x - Step 2: Convert to fraction form
19,128,412.77/28,692,748.35 = 6,992,883.96/x - Step 3: Cross multiply
19,128,412.77x = 28,692,748.35 × 6,992,883.96 - Step 4: Simplify right side
19,128,412.77x = 200,645,059,705,031.47 - Step 5: Solve for x
x = 200,645,059,705,031.47/19,128,412.77 - Step 6: Final answer
x = 10,489,373.17
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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.