Finding the Fourth Proportional to 14,205,837.76, 19,604,131.68 and 7,767,309.76
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Solution
The fourth proportional to 14,205,837.76, 19,604,131.68 and 7,767,309.76 is: 10,718,928.79
Step by Step Solution
- Step 1: Write the proportion equation
14,205,837.76 : 19,604,131.68 = 7,767,309.76 : x - Step 2: Convert to fraction form
14,205,837.76/19,604,131.68 = 7,767,309.76/x - Step 3: Cross multiply
14,205,837.76x = 19,604,131.68 × 7,767,309.76 - Step 4: Simplify right side
14,205,837.76x = 152,271,363,334,389.19 - Step 5: Solve for x
x = 152,271,363,334,389.19/14,205,837.76 - Step 6: Final answer
x = 10,718,928.79
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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.