Finding the Fourth Proportional to 15,980,075.06, 22,052,494.07 and 8,637,908.31
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Solution
The fourth proportional to 15,980,075.06, 22,052,494.07 and 8,637,908.31 is: 11,920,308.33
Step by Step Solution
- Step 1: Write the proportion equation
15,980,075.06 : 22,052,494.07 = 8,637,908.31 : x - Step 2: Convert to fraction form
15,980,075.06/22,052,494.07 = 8,637,908.31/x - Step 3: Cross multiply
15,980,075.06x = 22,052,494.07 × 8,637,908.31 - Step 4: Simplify right side
15,980,075.06x = 190,487,421,805,073.53 - Step 5: Solve for x
x = 190,487,421,805,073.53/15,980,075.06 - Step 6: Final answer
x = 11,920,308.33
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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.