Finding the Fourth Proportional to 26,071,640.70, 39,107,266.65 and 7,875,800.70
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Solution
The fourth proportional to 26,071,640.70, 39,107,266.65 and 7,875,800.70 is: 11,813,642.33
Step by Step Solution
- Step 1: Write the proportion equation
26,071,640.70 : 39,107,266.65 = 7,875,800.70 : x - Step 2: Convert to fraction form
26,071,640.70/39,107,266.65 = 7,875,800.70/x - Step 3: Cross multiply
26,071,640.70x = 39,107,266.65 × 7,875,800.70 - Step 4: Simplify right side
26,071,640.70x = 308,001,038,057,156.62 - Step 5: Solve for x
x = 308,001,038,057,156.62/26,071,640.70 - Step 6: Final answer
x = 11,813,642.33
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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.