Finding the Fourth Proportional to 13,303,518.90, 19,955,278.35 and 4,784,133.30
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Solution
The fourth proportional to 13,303,518.90, 19,955,278.35 and 4,784,133.30 is: 7,176,199.95
Step by Step Solution
- Step 1: Write the proportion equation
13,303,518.90 : 19,955,278.35 = 4,784,133.30 : x - Step 2: Convert to fraction form
13,303,518.90/19,955,278.35 = 4,784,133.30/x - Step 3: Cross multiply
13,303,518.90x = 19,955,278.35 × 4,784,133.30 - Step 4: Simplify right side
13,303,518.90x = 95,468,711,665,004.06 - Step 5: Solve for x
x = 95,468,711,665,004.06/13,303,518.90 - Step 6: Final answer
x = 7,176,199.95
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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.