Finding the Fourth Proportional to 9,539,749.84, 13,163,659.08 and 6,448,998.01
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Solution
The fourth proportional to 9,539,749.84, 13,163,659.08 and 6,448,998.01 is: 8,898,808.95
Step by Step Solution
- Step 1: Write the proportion equation
9,539,749.84 : 13,163,659.08 = 6,448,998.01 : x - Step 2: Convert to fraction form
9,539,749.84/13,163,659.08 = 6,448,998.01/x - Step 3: Cross multiply
9,539,749.84x = 13,163,659.08 × 6,448,998.01 - Step 4: Simplify right side
9,539,749.84x = 84,892,411,211,238.42 - Step 5: Solve for x
x = 84,892,411,211,238.42/9,539,749.84 - Step 6: Final answer
x = 8,898,808.95
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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.