Finding the Fourth Proportional to 13,171,246.35, 19,756,869.51 and 8,682,472.59
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Solution
The fourth proportional to 13,171,246.35, 19,756,869.51 and 8,682,472.59 is: 13,023,708.88
Step by Step Solution
- Step 1: Write the proportion equation
13,171,246.35 : 19,756,869.51 = 8,682,472.59 : x - Step 2: Convert to fraction form
13,171,246.35/19,756,869.51 = 8,682,472.59/x - Step 3: Cross multiply
13,171,246.35x = 19,756,869.51 × 8,682,472.59 - Step 4: Simplify right side
13,171,246.35x = 171,538,477,984,781.75 - Step 5: Solve for x
x = 171,538,477,984,781.75/13,171,246.35 - Step 6: Final answer
x = 13,023,708.88
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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.