Finding the Fourth Proportional to 19,937,919.24, 27,513,648.30 and 10,997,383.74
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Solution
The fourth proportional to 19,937,919.24, 27,513,648.30 and 10,997,383.74 is: 15,176,014.35
Step by Step Solution
- Step 1: Write the proportion equation
19,937,919.24 : 27,513,648.30 = 10,997,383.74 : x - Step 2: Convert to fraction form
19,937,919.24/27,513,648.30 = 10,997,383.74/x - Step 3: Cross multiply
19,937,919.24x = 27,513,648.30 × 10,997,383.74 - Step 4: Simplify right side
19,937,919.24x = 302,578,148,442,498.69 - Step 5: Solve for x
x = 302,578,148,442,498.69/19,937,919.24 - Step 6: Final answer
x = 15,176,014.35
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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.