Finding the Fourth Proportional to 19,291,261.08, 26,620,978.14 and 11,142,013.08
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Solution
The fourth proportional to 19,291,261.08, 26,620,978.14 and 11,142,013.08 is: 15,375,422.34
Step by Step Solution
- Step 1: Write the proportion equation
19,291,261.08 : 26,620,978.14 = 11,142,013.08 : x - Step 2: Convert to fraction form
19,291,261.08/26,620,978.14 = 11,142,013.08/x - Step 3: Cross multiply
19,291,261.08x = 26,620,978.14 × 11,142,013.08 - Step 4: Simplify right side
19,291,261.08x = 296,611,286,638,274.06 - Step 5: Solve for x
x = 296,611,286,638,274.06/19,291,261.08 - Step 6: Final answer
x = 15,375,422.34
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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.