Finding the Fourth Proportional to 23,163,314.99, 31,965,412.35 and 12,850,038.20
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Solution
The fourth proportional to 23,163,314.99, 31,965,412.35 and 12,850,038.20 is: 17,733,073.61
Step by Step Solution
- Step 1: Write the proportion equation
23,163,314.99 : 31,965,412.35 = 12,850,038.20 : x - Step 2: Convert to fraction form
23,163,314.99/31,965,412.35 = 12,850,038.20/x - Step 3: Cross multiply
23,163,314.99x = 31,965,412.35 × 12,850,038.20 - Step 4: Simplify right side
23,163,314.99x = 410,756,769,776,251.75 - Step 5: Solve for x
x = 410,756,769,776,251.75/23,163,314.99 - Step 6: Final answer
x = 17,733,073.61
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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.