Finding the Fourth Proportional to 12,815,462.84, 19,224,362.28 and 4,177,346.09
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Solution
The fourth proportional to 12,815,462.84, 19,224,362.28 and 4,177,346.09 is: 6,266,399.86
Step by Step Solution
- Step 1: Write the proportion equation
12,815,462.84 : 19,224,362.28 = 4,177,346.09 : x - Step 2: Convert to fraction form
12,815,462.84/19,224,362.28 = 4,177,346.09/x - Step 3: Cross multiply
12,815,462.84x = 19,224,362.28 × 4,177,346.09 - Step 4: Simplify right side
12,815,462.84x = 80,306,814,506,979.67 - Step 5: Solve for x
x = 80,306,814,506,979.67/12,815,462.84 - Step 6: Final answer
x = 6,266,399.86
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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.