Finding the Fourth Proportional to 11,069,026.76, 15,275,636.74 and 6,422,460.95
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Solution
The fourth proportional to 11,069,026.76, 15,275,636.74 and 6,422,460.95 is: 8,863,216.49
Step by Step Solution
- Step 1: Write the proportion equation
11,069,026.76 : 15,275,636.74 = 6,422,460.95 : x - Step 2: Convert to fraction form
11,069,026.76/15,275,636.74 = 6,422,460.95/x - Step 3: Cross multiply
11,069,026.76x = 15,275,636.74 × 6,422,460.95 - Step 4: Simplify right side
11,069,026.76x = 98,107,180,495,252.47 - Step 5: Solve for x
x = 98,107,180,495,252.47/11,069,026.76 - Step 6: Final answer
x = 8,863,216.49
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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.