Finding the Fourth Proportional to 14,453,384.15, 19,943,831.55 and 8,258,831.49
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Solution
The fourth proportional to 14,453,384.15, 19,943,831.55 and 8,258,831.49 is: 11,396,136.88
Step by Step Solution
- Step 1: Write the proportion equation
14,453,384.15 : 19,943,831.55 = 8,258,831.49 : x - Step 2: Convert to fraction form
14,453,384.15/19,943,831.55 = 8,258,831.49/x - Step 3: Cross multiply
14,453,384.15x = 19,943,831.55 × 8,258,831.49 - Step 4: Simplify right side
14,453,384.15x = 164,712,744,036,395.53 - Step 5: Solve for x
x = 164,712,744,036,395.53/14,453,384.15 - Step 6: Final answer
x = 11,396,136.88
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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.