Finding the Fourth Proportional to 40,237,311.16, 55,528,830.64 and 22,599,321.96
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Solution
The fourth proportional to 40,237,311.16, 55,528,830.64 and 22,599,321.96 is: 31,187,817.61
Step by Step Solution
- Step 1: Write the proportion equation
40,237,311.16 : 55,528,830.64 = 22,599,321.96 : x - Step 2: Convert to fraction form
40,237,311.16/55,528,830.64 = 22,599,321.96/x - Step 3: Cross multiply
40,237,311.16x = 55,528,830.64 × 22,599,321.96 - Step 4: Simplify right side
40,237,311.16x = 1,254,913,921,695,673 - Step 5: Solve for x
x = 1,254,913,921,695,673/40,237,311.16 - Step 6: Final answer
x = 31,187,817.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.