Finding the Fourth Proportional to 34,977,386.13, 48,268,878.53 and 19,508,472.69
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Solution
The fourth proportional to 34,977,386.13, 48,268,878.53 and 19,508,472.69 is: 26,921,740.09
Step by Step Solution
- Step 1: Write the proportion equation
34,977,386.13 : 48,268,878.53 = 19,508,472.69 : x - Step 2: Convert to fraction form
34,977,386.13/48,268,878.53 = 19,508,472.69/x - Step 3: Cross multiply
34,977,386.13x = 48,268,878.53 × 19,508,472.69 - Step 4: Simplify right side
34,977,386.13x = 941,652,098,481,890 - Step 5: Solve for x
x = 941,652,098,481,890/34,977,386.13 - Step 6: Final answer
x = 26,921,740.09
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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.