Finding the Fourth Proportional to 47,968,534.57, 71,952,814.11 and 13,430,024.71
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Solution
The fourth proportional to 47,968,534.57, 71,952,814.11 and 13,430,024.71 is: 20,145,040.49
Step by Step Solution
- Step 1: Write the proportion equation
47,968,534.57 : 71,952,814.11 = 13,430,024.71 : x - Step 2: Convert to fraction form
47,968,534.57/71,952,814.11 = 13,430,024.71/x - Step 3: Cross multiply
47,968,534.57x = 71,952,814.11 × 13,430,024.71 - Step 4: Simplify right side
47,968,534.57x = 966,328,071,384,186.62 - Step 5: Solve for x
x = 966,328,071,384,186.62/47,968,534.57 - Step 6: Final answer
x = 20,145,040.49
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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.