Finding the Fourth Proportional to 8,018,807.34, 11,055,248.88 and 6,370,424.12
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Solution
The fourth proportional to 8,018,807.34, 11,055,248.88 and 6,370,424.12 is: 8,782,680.66
Step by Step Solution
- Step 1: Write the proportion equation
8,018,807.34 : 11,055,248.88 = 6,370,424.12 : x - Step 2: Convert to fraction form
8,018,807.34/11,055,248.88 = 6,370,424.12/x - Step 3: Cross multiply
8,018,807.34x = 11,055,248.88 × 6,370,424.12 - Step 4: Simplify right side
8,018,807.34x = 70,426,624,117,754.98 - Step 5: Solve for x
x = 70,426,624,117,754.98/8,018,807.34 - Step 6: Final answer
x = 8,782,680.66
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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.