Finding the Fourth Proportional to 19,695,565.36, 27,184,415.23 and 11,549,427.76
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Solution
The fourth proportional to 19,695,565.36, 27,184,415.23 and 11,549,427.76 is: 15,940,869.64
Step by Step Solution
- Step 1: Write the proportion equation
19,695,565.36 : 27,184,415.23 = 11,549,427.76 : x - Step 2: Convert to fraction form
19,695,565.36/27,184,415.23 = 11,549,427.76/x - Step 3: Cross multiply
19,695,565.36x = 27,184,415.23 × 11,549,427.76 - Step 4: Simplify right side
19,695,565.36x = 313,964,439,896,728.81 - Step 5: Solve for x
x = 313,964,439,896,728.81/19,695,565.36 - Step 6: Final answer
x = 15,940,869.64
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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.