Finding the Fourth Proportional to 25,177,347.40, 34,742,752.02 and 14,161,904.08
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Solution
The fourth proportional to 25,177,347.40, 34,742,752.02 and 14,161,904.08 is: 19,542,309.75
Step by Step Solution
- Step 1: Write the proportion equation
25,177,347.40 : 34,742,752.02 = 14,161,904.08 : x - Step 2: Convert to fraction form
25,177,347.40/34,742,752.02 = 14,161,904.08/x - Step 3: Cross multiply
25,177,347.40x = 34,742,752.02 × 14,161,904.08 - Step 4: Simplify right side
25,177,347.40x = 492,023,521,582,466.31 - Step 5: Solve for x
x = 492,023,521,582,466.31/25,177,347.40 - Step 6: Final answer
x = 19,542,309.75
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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.