Finding the Fourth Proportional to 19,817,424.74, 27,348,275.56 and 10,997,056.91
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Solution
The fourth proportional to 19,817,424.74, 27,348,275.56 and 10,997,056.91 is: 15,176,065.84
Step by Step Solution
- Step 1: Write the proportion equation
19,817,424.74 : 27,348,275.56 = 10,997,056.91 : x - Step 2: Convert to fraction form
19,817,424.74/27,348,275.56 = 10,997,056.91/x - Step 3: Cross multiply
19,817,424.74x = 27,348,275.56 × 10,997,056.91 - Step 4: Simplify right side
19,817,424.74x = 300,750,542,723,682.12 - Step 5: Solve for x
x = 300,750,542,723,682.12/19,817,424.74 - Step 6: Final answer
x = 15,176,065.84
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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.