Finding the Fourth Proportional to 19,432,023.60, 29,148,035.40 and 19,148,588.40
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Solution
The fourth proportional to 19,432,023.60, 29,148,035.40 and 19,148,588.40 is: 28,722,882.60
Step by Step Solution
- Step 1: Write the proportion equation
19,432,023.60 : 29,148,035.40 = 19,148,588.40 : x - Step 2: Convert to fraction form
19,432,023.60/29,148,035.40 = 19,148,588.40/x - Step 3: Cross multiply
19,432,023.60x = 29,148,035.40 × 19,148,588.40 - Step 4: Simplify right side
19,432,023.60x = 558,143,732,543,229.31 - Step 5: Solve for x
x = 558,143,732,543,229.31/19,432,023.60 - Step 6: Final answer
x = 28,722,882.60
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1.5x scale
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.