Finding the Fourth Proportional to 29,156,340.84, 40,235,511.12 and 15,925,526.19
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Solution
The fourth proportional to 29,156,340.84, 40,235,511.12 and 15,925,526.19 is: 21,977,095.47
Step by Step Solution
- Step 1: Write the proportion equation
29,156,340.84 : 40,235,511.12 = 15,925,526.19 : x - Step 2: Convert to fraction form
29,156,340.84/40,235,511.12 = 15,925,526.19/x - Step 3: Cross multiply
29,156,340.84x = 40,235,511.12 × 15,925,526.19 - Step 4: Simplify right side
29,156,340.84x = 640,771,686,109,596.12 - Step 5: Solve for x
x = 640,771,686,109,596.12/29,156,340.84 - Step 6: Final answer
x = 21,977,095.47
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1.5x scale
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.