Finding the Fourth Proportional to 10,069,346.80, 15,104,020.20 and 8,475,023.80
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Solution
The fourth proportional to 10,069,346.80, 15,104,020.20 and 8,475,023.80 is: 12,712,535.70
Step by Step Solution
- Step 1: Write the proportion equation
10,069,346.80 : 15,104,020.20 = 8,475,023.80 : x - Step 2: Convert to fraction form
10,069,346.80/15,104,020.20 = 8,475,023.80/x - Step 3: Cross multiply
10,069,346.80x = 15,104,020.20 × 8,475,023.80 - Step 4: Simplify right side
10,069,346.80x = 128,006,930,670,680.77 - Step 5: Solve for x
x = 128,006,930,670,680.77/10,069,346.80 - Step 6: Final answer
x = 12,712,535.70
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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.