Finding the Fourth Proportional to 31,767,576.90, 47,671,519.29 and 13,571,908.95
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Solution
The fourth proportional to 31,767,576.90, 47,671,519.29 and 13,571,908.95 is: 20,366,473.70
Step by Step Solution
- Step 1: Write the proportion equation
31,767,576.90 : 47,671,519.29 = 13,571,908.95 : x - Step 2: Convert to fraction form
31,767,576.90/47,671,519.29 = 13,571,908.95/x - Step 3: Cross multiply
31,767,576.90x = 47,671,519.29 × 13,571,908.95 - Step 4: Simplify right side
31,767,576.90x = 646,993,519,312,048.62 - Step 5: Solve for x
x = 646,993,519,312,048.62/31,767,576.90 - Step 6: Final answer
x = 20,366,473.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.