Finding the Fourth Proportional to 13,251,798.01, 19,878,141.75 and 3,666,373.84
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Solution
The fourth proportional to 13,251,798.01, 19,878,141.75 and 3,666,373.84 is: 5,499,683.80
Step by Step Solution
- Step 1: Write the proportion equation
13,251,798.01 : 19,878,141.75 = 3,666,373.84 : x - Step 2: Convert to fraction form
13,251,798.01/19,878,141.75 = 3,666,373.84/x - Step 3: Cross multiply
13,251,798.01x = 19,878,141.75 × 3,666,373.84 - Step 4: Simplify right side
13,251,798.01x = 72,880,698,900,011.81 - Step 5: Solve for x
x = 72,880,698,900,011.81/13,251,798.01 - Step 6: Final answer
x = 5,499,683.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.