Finding the Fourth Proportional to 40,137,881.21, 55,391,795.73 and 22,497,106.94
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Solution
The fourth proportional to 40,137,881.21, 55,391,795.73 and 22,497,106.94 is: 31,046,859.34
Step by Step Solution
- Step 1: Write the proportion equation
40,137,881.21 : 55,391,795.73 = 22,497,106.94 : x - Step 2: Convert to fraction form
40,137,881.21/55,391,795.73 = 22,497,106.94/x - Step 3: Cross multiply
40,137,881.21x = 55,391,795.73 × 22,497,106.94 - Step 4: Simplify right side
40,137,881.21x = 1,246,155,151,859,486.25 - Step 5: Solve for x
x = 1,246,155,151,859,486.25/40,137,881.21 - Step 6: Final answer
x = 31,046,859.34
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.