Finding the Fourth Proportional to 29,015,881.47, 40,041,916.18 and 15,962,860.26
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Solution
The fourth proportional to 29,015,881.47, 40,041,916.18 and 15,962,860.26 is: 22,028,747.02
Step by Step Solution
- Step 1: Write the proportion equation
29,015,881.47 : 40,041,916.18 = 15,962,860.26 : x - Step 2: Convert to fraction form
29,015,881.47/40,041,916.18 = 15,962,860.26/x - Step 3: Cross multiply
29,015,881.47x = 40,041,916.18 × 15,962,860.26 - Step 4: Simplify right side
29,015,881.47x = 639,183,512,484,065.88 - Step 5: Solve for x
x = 639,183,512,484,065.88/29,015,881.47 - Step 6: Final answer
x = 22,028,747.02
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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.