Finding the Fourth Proportional to 10,726,970.18, 14,799,869.98 and 6,142,447.94
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Solution
The fourth proportional to 10,726,970.18, 14,799,869.98 and 6,142,447.94 is: 8,474,660.53
Step by Step Solution
- Step 1: Write the proportion equation
10,726,970.18 : 14,799,869.98 = 6,142,447.94 : x - Step 2: Convert to fraction form
10,726,970.18/14,799,869.98 = 6,142,447.94/x - Step 3: Cross multiply
10,726,970.18x = 14,799,869.98 × 6,142,447.94 - Step 4: Simplify right side
10,726,970.18x = 90,907,430,781,563.36 - Step 5: Solve for x
x = 90,907,430,781,563.36/10,726,970.18 - Step 6: Final answer
x = 8,474,660.53
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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.