Finding the Fourth Proportional to 31,496,029.80, 47,249,133.12 and 13,302,960
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Solution
The fourth proportional to 31,496,029.80, 47,249,133.12 and 13,302,960 is: 19,956,589.19
Step by Step Solution
- Step 1: Write the proportion equation
31,496,029.80 : 47,249,133.12 = 13,302,960 : x - Step 2: Convert to fraction form
31,496,029.80/47,249,133.12 = 13,302,960/x - Step 3: Cross multiply
31,496,029.80x = 47,249,133.12 × 13,302,960 - Step 4: Simplify right side
31,496,029.80x = 628,553,327,930,035.12 - Step 5: Solve for x
x = 628,553,327,930,035.12/31,496,029.80 - Step 6: Final answer
x = 19,956,589.19
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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.