Finding the Fourth Proportional to 13,548,355.56, 18,688,226.12 and 8,037,829.08
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Solution
The fourth proportional to 13,548,355.56, 18,688,226.12 and 8,037,829.08 is: 11,087,158.64
Step by Step Solution
- Step 1: Write the proportion equation
13,548,355.56 : 18,688,226.12 = 8,037,829.08 : x - Step 2: Convert to fraction form
13,548,355.56/18,688,226.12 = 8,037,829.08/x - Step 3: Cross multiply
13,548,355.56x = 18,688,226.12 × 8,037,829.08 - Step 4: Simplify right side
13,548,355.56x = 150,212,767,360,951.59 - Step 5: Solve for x
x = 150,212,767,360,951.59/13,548,355.56 - Step 6: Final answer
x = 11,087,158.64
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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.