Finding the Fourth Proportional to 26,018,138.64, 35,904,556.08 and 14,415,659.76
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Solution
The fourth proportional to 26,018,138.64, 35,904,556.08 and 14,415,659.76 is: 19,893,347.15
Step by Step Solution
- Step 1: Write the proportion equation
26,018,138.64 : 35,904,556.08 = 14,415,659.76 : x - Step 2: Convert to fraction form
26,018,138.64/35,904,556.08 = 14,415,659.76/x - Step 3: Cross multiply
26,018,138.64x = 35,904,556.08 × 14,415,659.76 - Step 4: Simplify right side
26,018,138.64x = 517,587,864,283,119.31 - Step 5: Solve for x
x = 517,587,864,283,119.31/26,018,138.64 - Step 6: Final answer
x = 19,893,347.15
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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.