Finding the Fourth Proportional to 16,240,420.84, 22,409,972.58 and 8,995,262.44
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Solution
The fourth proportional to 16,240,420.84, 22,409,972.58 and 8,995,262.44 is: 12,412,460.65
Step by Step Solution
- Step 1: Write the proportion equation
16,240,420.84 : 22,409,972.58 = 8,995,262.44 : x - Step 2: Convert to fraction form
16,240,420.84/22,409,972.58 = 8,995,262.44/x - Step 3: Cross multiply
16,240,420.84x = 22,409,972.58 × 8,995,262.44 - Step 4: Simplify right side
16,240,420.84x = 201,583,584,630,303.88 - Step 5: Solve for x
x = 201,583,584,630,303.88/16,240,420.84 - Step 6: Final answer
x = 12,412,460.65
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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.