Finding the Fourth Proportional to 12,101,637.21, 16,700,259.65 and 6,669,129.21
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Solution
The fourth proportional to 12,101,637.21, 16,700,259.65 and 6,669,129.21 is: 9,203,398.47
Step by Step Solution
- Step 1: Write the proportion equation
12,101,637.21 : 16,700,259.65 = 6,669,129.21 : x - Step 2: Convert to fraction form
12,101,637.21/16,700,259.65 = 6,669,129.21/x - Step 3: Cross multiply
12,101,637.21x = 16,700,259.65 × 6,669,129.21 - Step 4: Simplify right side
12,101,637.21x = 111,376,189,413,053.73 - Step 5: Solve for x
x = 111,376,189,413,053.73/12,101,637.21 - Step 6: Final answer
x = 9,203,398.47
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1.5x scale
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.