Finding the Fourth Proportional to 13,736,259.48, 18,955,089.24 and 7,624,206.84
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Solution
The fourth proportional to 13,736,259.48, 18,955,089.24 and 7,624,206.84 is: 10,520,878.79
Step by Step Solution
- Step 1: Write the proportion equation
13,736,259.48 : 18,955,089.24 = 7,624,206.84 : x - Step 2: Convert to fraction form
13,736,259.48/18,955,089.24 = 7,624,206.84/x - Step 3: Cross multiply
13,736,259.48x = 18,955,089.24 × 7,624,206.84 - Step 4: Simplify right side
13,736,259.48x = 144,517,521,036,418.38 - Step 5: Solve for x
x = 144,517,521,036,418.38/13,736,259.48 - Step 6: Final answer
x = 10,520,878.79
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1.5x scale
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.