Finding the Fourth Proportional to 8,873,988.66, 13,275,959.99 and 6,721,215.21
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Solution
The fourth proportional to 8,873,988.66, 13,275,959.99 and 6,721,215.21 is: 10,055,296.17
Step by Step Solution
- Step 1: Write the proportion equation
8,873,988.66 : 13,275,959.99 = 6,721,215.21 : x - Step 2: Convert to fraction form
8,873,988.66/13,275,959.99 = 6,721,215.21/x - Step 3: Cross multiply
8,873,988.66x = 13,275,959.99 × 6,721,215.21 - Step 4: Simplify right side
8,873,988.66x = 89,230,584,178,533.38 - Step 5: Solve for x
x = 89,230,584,178,533.38/8,873,988.66 - Step 6: Final answer
x = 10,055,296.17
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1.5x scale
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.