Finding the Fourth Proportional to 26,480,970.36, 36,546,800.78 and 15,470,472.38
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Solution
The fourth proportional to 26,480,970.36, 36,546,800.78 and 15,470,472.38 is: 21,351,040.55
Step by Step Solution
- Step 1: Write the proportion equation
26,480,970.36 : 36,546,800.78 = 15,470,472.38 : x - Step 2: Convert to fraction form
26,480,970.36/36,546,800.78 = 15,470,472.38/x - Step 3: Cross multiply
26,480,970.36x = 36,546,800.78 × 15,470,472.38 - Step 4: Simplify right side
26,480,970.36x = 565,396,271,900,294.62 - Step 5: Solve for x
x = 565,396,271,900,294.62/26,480,970.36 - Step 6: Final answer
x = 21,351,040.55
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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.