Finding the Fourth Proportional to 13,888,156.66, 19,165,809.47 and 7,693,298.26
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Solution
The fourth proportional to 13,888,156.66, 19,165,809.47 and 7,693,298.26 is: 10,616,836.50
Step by Step Solution
- Step 1: Write the proportion equation
13,888,156.66 : 19,165,809.47 = 7,693,298.26 : x - Step 2: Convert to fraction form
13,888,156.66/19,165,809.47 = 7,693,298.26/x - Step 3: Cross multiply
13,888,156.66x = 19,165,809.47 × 7,693,298.26 - Step 4: Simplify right side
13,888,156.66x = 147,448,288,560,661.50 - Step 5: Solve for x
x = 147,448,288,560,661.50/13,888,156.66 - Step 6: Final answer
x = 10,616,836.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.