Finding the Fourth Proportional to 10,947,106.08, 15,106,968.72 and 6,118,210.08
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Solution
The fourth proportional to 10,947,106.08, 15,106,968.72 and 6,118,210.08 is: 8,443,108.86
Step by Step Solution
- Step 1: Write the proportion equation
10,947,106.08 : 15,106,968.72 = 6,118,210.08 : x - Step 2: Convert to fraction form
10,947,106.08/15,106,968.72 = 6,118,210.08/x - Step 3: Cross multiply
10,947,106.08x = 15,106,968.72 × 6,118,210.08 - Step 4: Simplify right side
10,947,106.08x = 92,427,608,300,948.70 - Step 5: Solve for x
x = 92,427,608,300,948.70/10,947,106.08 - Step 6: Final answer
x = 8,443,108.86
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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.