Finding the Fourth Proportional to 13,711,267.41, 18,921,551.75 and 7,599,695.91
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Solution
The fourth proportional to 13,711,267.41, 18,921,551.75 and 7,599,695.91 is: 10,487,581.87
Step by Step Solution
- Step 1: Write the proportion equation
13,711,267.41 : 18,921,551.75 = 7,599,695.91 : x - Step 2: Convert to fraction form
13,711,267.41/18,921,551.75 = 7,599,695.91/x - Step 3: Cross multiply
13,711,267.41x = 18,921,551.75 × 7,599,695.91 - Step 4: Simplify right side
13,711,267.41x = 143,798,039,407,621.19 - Step 5: Solve for x
x = 143,798,039,407,621.19/13,711,267.41 - Step 6: Final answer
x = 10,487,581.87
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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.