Finding the Fourth Proportional to 26,838,048.70, 40,257,073.05 and 6,643,290.70
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Solution
The fourth proportional to 26,838,048.70, 40,257,073.05 and 6,643,290.70 is: 9,964,936.05
Step by Step Solution
- Step 1: Write the proportion equation
26,838,048.70 : 40,257,073.05 = 6,643,290.70 : x - Step 2: Convert to fraction form
26,838,048.70/40,257,073.05 = 6,643,290.70/x - Step 3: Cross multiply
26,838,048.70x = 40,257,073.05 × 6,643,290.70 - Step 4: Simplify right side
26,838,048.70x = 267,439,439,002,285.62 - Step 5: Solve for x
x = 267,439,439,002,285.62/26,838,048.70 - Step 6: Final answer
x = 9,964,936.05
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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.