Finding the Fourth Proportional to 8,357,014.68, 12,535,526.16 and 5,516,462.94
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Solution
The fourth proportional to 8,357,014.68, 12,535,526.16 and 5,516,462.94 is: 8,274,697.14
Step by Step Solution
- Step 1: Write the proportion equation
8,357,014.68 : 12,535,526.16 = 5,516,462.94 : x - Step 2: Convert to fraction form
8,357,014.68/12,535,526.16 = 5,516,462.94/x - Step 3: Cross multiply
8,357,014.68x = 12,535,526.16 × 5,516,462.94 - Step 4: Simplify right side
8,357,014.68x = 69,151,765,495,040.52 - Step 5: Solve for x
x = 69,151,765,495,040.52/8,357,014.68 - Step 6: Final answer
x = 8,274,697.14
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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.