Finding the Fourth Proportional to 9,620,392.95, 13,276,139.36 and 5,269,750.11
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Solution
The fourth proportional to 9,620,392.95, 13,276,139.36 and 5,269,750.11 is: 7,272,253.55
Step by Step Solution
- Step 1: Write the proportion equation
9,620,392.95 : 13,276,139.36 = 5,269,750.11 : x - Step 2: Convert to fraction form
9,620,392.95/13,276,139.36 = 5,269,750.11/x - Step 3: Cross multiply
9,620,392.95x = 13,276,139.36 × 5,269,750.11 - Step 4: Simplify right side
9,620,392.95x = 69,961,936,826,386.59 - Step 5: Solve for x
x = 69,961,936,826,386.59/9,620,392.95 - Step 6: Final answer
x = 7,272,253.55
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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.