Finding the Fourth Proportional to 40,371,964.21, 55,712,599.76 and 22,967,938.49
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Solution
The fourth proportional to 40,371,964.21, 55,712,599.76 and 22,967,938.49 is: 31,695,350.71
Step by Step Solution
- Step 1: Write the proportion equation
40,371,964.21 : 55,712,599.76 = 22,967,938.49 : x - Step 2: Convert to fraction form
40,371,964.21/55,712,599.76 = 22,967,938.49/x - Step 3: Cross multiply
40,371,964.21x = 55,712,599.76 × 22,967,938.49 - Step 4: Simplify right side
40,371,964.21x = 1,279,603,564,290,829 - Step 5: Solve for x
x = 1,279,603,564,290,829/40,371,964.21 - Step 6: Final answer
x = 31,695,350.71
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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.