Finding the Fourth Proportional to 21,984,735.70, 32,961,160.32 and 14,778,395.74
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Solution
The fourth proportional to 21,984,735.70, 32,961,160.32 and 14,778,395.74 is: 22,156,876.38
Step by Step Solution
- Step 1: Write the proportion equation
21,984,735.70 : 32,961,160.32 = 14,778,395.74 : x - Step 2: Convert to fraction form
21,984,735.70/32,961,160.32 = 14,778,395.74/x - Step 3: Cross multiply
21,984,735.70x = 32,961,160.32 × 14,778,395.74 - Step 4: Simplify right side
21,984,735.70x = 487,113,071,258,545.06 - Step 5: Solve for x
x = 487,113,071,258,545.06/21,984,735.70 - Step 6: Final answer
x = 22,156,876.38
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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.