Finding the Fourth Proportional to 14,986,848.68, 20,682,352.68 and 9,184,509.90
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Solution
The fourth proportional to 14,986,848.68, 20,682,352.68 and 9,184,509.90 is: 12,674,931.00
Step by Step Solution
- Step 1: Write the proportion equation
14,986,848.68 : 20,682,352.68 = 9,184,509.90 : x - Step 2: Convert to fraction form
14,986,848.68/20,682,352.68 = 9,184,509.90/x - Step 3: Cross multiply
14,986,848.68x = 20,682,352.68 × 9,184,509.90 - Step 4: Simplify right side
14,986,848.68x = 189,957,272,944,751.53 - Step 5: Solve for x
x = 189,957,272,944,751.53/14,986,848.68 - Step 6: Final answer
x = 12,674,931.00
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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.