Finding the Fourth Proportional to 12,944,664.71, 19,403,347.28 and 4,306,457.92
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Solution
The fourth proportional to 12,944,664.71, 19,403,347.28 and 4,306,457.92 is: 6,455,145.84
Step by Step Solution
- Step 1: Write the proportion equation
12,944,664.71 : 19,403,347.28 = 4,306,457.92 : x - Step 2: Convert to fraction form
12,944,664.71/19,403,347.28 = 4,306,457.92/x - Step 3: Cross multiply
12,944,664.71x = 19,403,347.28 × 4,306,457.92 - Step 4: Simplify right side
12,944,664.71x = 83,559,698,631,767.45 - Step 5: Solve for x
x = 83,559,698,631,767.45/12,944,664.71 - Step 6: Final answer
x = 6,455,145.84
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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.