Finding the Fourth Proportional to 26,654,897.81, 39,982,347.02 and 6,460,139.81
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Solution
The fourth proportional to 26,654,897.81, 39,982,347.02 and 6,460,139.81 is: 9,690,209.79
Step by Step Solution
- Step 1: Write the proportion equation
26,654,897.81 : 39,982,347.02 = 6,460,139.81 : x - Step 2: Convert to fraction form
26,654,897.81/39,982,347.02 = 6,460,139.81/x - Step 3: Cross multiply
26,654,897.81x = 39,982,347.02 × 6,460,139.81 - Step 4: Simplify right side
26,654,897.81x = 258,291,551,797,243.09 - Step 5: Solve for x
x = 258,291,551,797,243.09/26,654,897.81 - Step 6: Final answer
x = 9,690,209.79
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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.