Finding the Fourth Proportional to 26,128,330.88, 36,057,236.81 and 14,368,357.58
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Solution
The fourth proportional to 26,128,330.88, 36,057,236.81 and 14,368,357.58 is: 19,828,410.55
Step by Step Solution
- Step 1: Write the proportion equation
26,128,330.88 : 36,057,236.81 = 14,368,357.58 : x - Step 2: Convert to fraction form
26,128,330.88/36,057,236.81 = 14,368,357.58/x - Step 3: Cross multiply
26,128,330.88x = 36,057,236.81 × 14,368,357.58 - Step 4: Simplify right side
26,128,330.88x = 518,083,271,580,690.50 - Step 5: Solve for x
x = 518,083,271,580,690.50/26,128,330.88 - Step 6: Final answer
x = 19,828,410.55
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1.5x scale
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.