Finding the Fourth Proportional to 19,001,471.32, 26,221,327.91 and 10,299,457.09
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Solution
The fourth proportional to 19,001,471.32, 26,221,327.91 and 10,299,457.09 is: 14,212,870.00
Step by Step Solution
- Step 1: Write the proportion equation
19,001,471.32 : 26,221,327.91 = 10,299,457.09 : x - Step 2: Convert to fraction form
19,001,471.32/26,221,327.91 = 10,299,457.09/x - Step 3: Cross multiply
19,001,471.32x = 26,221,327.91 × 10,299,457.09 - Step 4: Simplify right side
19,001,471.32x = 270,065,441,651,864.38 - Step 5: Solve for x
x = 270,065,441,651,864.38/19,001,471.32 - Step 6: Final answer
x = 14,212,870.00
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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.