Finding the Fourth Proportional to 19,980,068.85, 27,577,823.76 and 11,283,332.13
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Solution
The fourth proportional to 19,980,068.85, 27,577,823.76 and 11,283,332.13 is: 15,574,007.64
Step by Step Solution
- Step 1: Write the proportion equation
19,980,068.85 : 27,577,823.76 = 11,283,332.13 : x - Step 2: Convert to fraction form
19,980,068.85/27,577,823.76 = 11,283,332.13/x - Step 3: Cross multiply
19,980,068.85x = 27,577,823.76 × 11,283,332.13 - Step 4: Simplify right side
19,980,068.85x = 311,169,744,906,685.44 - Step 5: Solve for x
x = 311,169,744,906,685.44/19,980,068.85 - Step 6: Final answer
x = 15,574,007.64
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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.