Finding the Fourth Proportional to 13,805,895.06, 20,708,841.96 and 4,221,272.79
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Solution
The fourth proportional to 13,805,895.06, 20,708,841.96 and 4,221,272.79 is: 6,331,908.99
Step by Step Solution
- Step 1: Write the proportion equation
13,805,895.06 : 20,708,841.96 = 4,221,272.79 : x - Step 2: Convert to fraction form
13,805,895.06/20,708,841.96 = 4,221,272.79/x - Step 3: Cross multiply
13,805,895.06x = 20,708,841.96 × 4,221,272.79 - Step 4: Simplify right side
13,805,895.06x = 87,417,671,078,158.27 - Step 5: Solve for x
x = 87,417,671,078,158.27/13,805,895.06 - Step 6: Final answer
x = 6,331,908.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.