Finding the Fourth Proportional to 10,368,316.70, 15,552,475.05 and 8,688,700.70
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Solution
The fourth proportional to 10,368,316.70, 15,552,475.05 and 8,688,700.70 is: 13,033,051.05
Step by Step Solution
- Step 1: Write the proportion equation
10,368,316.70 : 15,552,475.05 = 8,688,700.70 : x - Step 2: Convert to fraction form
10,368,316.70/15,552,475.05 = 8,688,700.70/x - Step 3: Cross multiply
10,368,316.70x = 15,552,475.05 × 8,688,700.70 - Step 4: Simplify right side
10,368,316.70x = 135,130,800,853,667.53 - Step 5: Solve for x
x = 135,130,800,853,667.53/10,368,316.70 - Step 6: Final answer
x = 13,033,051.05
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1.5x scale
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.