Finding the Fourth Proportional to 26,655,036.21, 39,982,554.30 and 6,460,278.21
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Solution
The fourth proportional to 26,655,036.21, 39,982,554.30 and 6,460,278.21 is: 9,690,417.31
Step by Step Solution
- Step 1: Write the proportion equation
26,655,036.21 : 39,982,554.30 = 6,460,278.21 : x - Step 2: Convert to fraction form
26,655,036.21/39,982,554.30 = 6,460,278.21/x - Step 3: Cross multiply
26,655,036.21x = 39,982,554.30 × 6,460,278.21 - Step 4: Simplify right side
26,655,036.21x = 258,298,424,324,431.78 - Step 5: Solve for x
x = 258,298,424,324,431.78/26,655,036.21 - Step 6: Final answer
x = 9,690,417.31
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1.5x scale
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.