Finding the Fourth Proportional to 9,109,637.48, 12,571,553.70 and 5,035,518.44
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Solution
The fourth proportional to 9,109,637.48, 12,571,553.70 and 5,035,518.44 is: 6,949,155.84
Step by Step Solution
- Step 1: Write the proportion equation
9,109,637.48 : 12,571,553.70 = 5,035,518.44 : x - Step 2: Convert to fraction form
9,109,637.48/12,571,553.70 = 5,035,518.44/x - Step 3: Cross multiply
9,109,637.48x = 12,571,553.70 × 5,035,518.44 - Step 4: Simplify right side
9,109,637.48x = 63,304,290,475,800.23 - Step 5: Solve for x
x = 63,304,290,475,800.23/9,109,637.48 - Step 6: Final answer
x = 6,949,155.84
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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.