Finding the Fourth Proportional to 18,569,746.40, 27,852,968.41 and 6,438,938.54
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Solution
The fourth proportional to 18,569,746.40, 27,852,968.41 and 6,438,938.54 is: 9,657,835.26
Step by Step Solution
- Step 1: Write the proportion equation
18,569,746.40 : 27,852,968.41 = 6,438,938.54 : x - Step 2: Convert to fraction form
18,569,746.40/27,852,968.41 = 6,438,938.54/x - Step 3: Cross multiply
18,569,746.40x = 27,852,968.41 × 6,438,938.54 - Step 4: Simplify right side
18,569,746.40x = 179,343,551,593,189.34 - Step 5: Solve for x
x = 179,343,551,593,189.34/18,569,746.40 - Step 6: Final answer
x = 9,657,835.26
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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.