Finding the Fourth Proportional to 10,360,985.95, 15,544,715.69 and 3,537,720.91
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Solution
The fourth proportional to 10,360,985.95, 15,544,715.69 and 3,537,720.91 is: 5,307,686.55
Step by Step Solution
- Step 1: Write the proportion equation
10,360,985.95 : 15,544,715.69 = 3,537,720.91 : x - Step 2: Convert to fraction form
10,360,985.95/15,544,715.69 = 3,537,720.91/x - Step 3: Cross multiply
10,360,985.95x = 15,544,715.69 × 3,537,720.91 - Step 4: Simplify right side
10,360,985.95x = 54,992,865,736,518.08 - Step 5: Solve for x
x = 54,992,865,736,518.08/10,360,985.95 - Step 6: Final answer
x = 5,307,686.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.