Finding the Fourth Proportional to 16,617,831.84, 24,928,008.58 and 4,487,118.74
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Solution
The fourth proportional to 16,617,831.84, 24,928,008.58 and 4,487,118.74 is: 6,731,018.55
Step by Step Solution
- Step 1: Write the proportion equation
16,617,831.84 : 24,928,008.58 = 4,487,118.74 : x - Step 2: Convert to fraction form
16,617,831.84/24,928,008.58 = 4,487,118.74/x - Step 3: Cross multiply
16,617,831.84x = 24,928,008.58 × 4,487,118.74 - Step 4: Simplify right side
16,617,831.84x = 111,854,934,450,198.78 - Step 5: Solve for x
x = 111,854,934,450,198.78/16,617,831.84 - Step 6: Final answer
x = 6,731,018.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.