Finding the Fourth Proportional to 10,948,565.28, 15,107,954.40 and 6,053,117.16
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Solution
The fourth proportional to 10,948,565.28, 15,107,954.40 and 6,053,117.16 is: 8,352,712.50
Step by Step Solution
- Step 1: Write the proportion equation
10,948,565.28 : 15,107,954.40 = 6,053,117.16 : x - Step 2: Convert to fraction form
10,948,565.28/15,107,954.40 = 6,053,117.16/x - Step 3: Cross multiply
10,948,565.28x = 15,107,954.40 × 6,053,117.16 - Step 4: Simplify right side
10,948,565.28x = 91,450,218,031,137.52 - Step 5: Solve for x
x = 91,450,218,031,137.52/10,948,565.28 - Step 6: Final answer
x = 8,352,712.50
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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.