Finding the Fourth Proportional to 26,143,229.12, 39,130,994.09 and 13,982,284.40
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Solution
The fourth proportional to 26,143,229.12, 39,130,994.09 and 13,982,284.40 is: 20,928,581.00
Step by Step Solution
- Step 1: Write the proportion equation
26,143,229.12 : 39,130,994.09 = 13,982,284.40 : x - Step 2: Convert to fraction form
26,143,229.12/39,130,994.09 = 13,982,284.40/x - Step 3: Cross multiply
26,143,229.12x = 39,130,994.09 × 13,982,284.40 - Step 4: Simplify right side
26,143,229.12x = 547,140,688,060,399.94 - Step 5: Solve for x
x = 547,140,688,060,399.94/26,143,229.12 - Step 6: Final answer
x = 20,928,581.00
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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.