Finding the Fourth Proportional to 10,947,219.08, 15,107,124.48 and 6,118,323.08
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Solution
The fourth proportional to 10,947,219.08, 15,107,124.48 and 6,118,323.08 is: 8,443,264.70
Step by Step Solution
- Step 1: Write the proportion equation
10,947,219.08 : 15,107,124.48 = 6,118,323.08 : x - Step 2: Convert to fraction form
10,947,219.08/15,107,124.48 = 6,118,323.08/x - Step 3: Cross multiply
10,947,219.08x = 15,107,124.48 × 6,118,323.08 - Step 4: Simplify right side
10,947,219.08x = 92,430,268,378,417 - Step 5: Solve for x
x = 92,430,268,378,417/10,947,219.08 - Step 6: Final answer
x = 8,443,264.70
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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.