Finding the Fourth Proportional to 23,163,303.99, 31,965,397.16 and 12,850,027.19
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Solution
The fourth proportional to 23,163,303.99, 31,965,397.16 and 12,850,027.19 is: 17,733,058.40
Step by Step Solution
- Step 1: Write the proportion equation
23,163,303.99 : 31,965,397.16 = 12,850,027.19 : x - Step 2: Convert to fraction form
23,163,303.99/31,965,397.16 = 12,850,027.19/x - Step 3: Cross multiply
23,163,303.99x = 31,965,397.16 × 12,850,027.19 - Step 4: Simplify right side
23,163,303.99x = 410,756,222,421,071.69 - Step 5: Solve for x
x = 410,756,222,421,071.69/23,163,303.99 - Step 6: Final answer
x = 17,733,058.40
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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.