Finding the Fourth Proportional to 15,220,801.70, 22,831,202.55 and 6,240,731.30
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Solution
The fourth proportional to 15,220,801.70, 22,831,202.55 and 6,240,731.30 is: 9,361,096.95
Step by Step Solution
- Step 1: Write the proportion equation
15,220,801.70 : 22,831,202.55 = 6,240,731.30 : x - Step 2: Convert to fraction form
15,220,801.70/22,831,202.55 = 6,240,731.30/x - Step 3: Cross multiply
15,220,801.70x = 22,831,202.55 × 6,240,731.30 - Step 4: Simplify right side
15,220,801.70x = 142,483,400,370,424.81 - Step 5: Solve for x
x = 142,483,400,370,424.81/15,220,801.70 - Step 6: Final answer
x = 9,361,096.95
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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.