Finding the Fourth Proportional to 19,037,251.62, 26,246,033.42 and 15,130,054.62
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Solution
The fourth proportional to 19,037,251.62, 26,246,033.42 and 15,130,054.62 is: 20,859,309.27
Step by Step Solution
- Step 1: Write the proportion equation
19,037,251.62 : 26,246,033.42 = 15,130,054.62 : x - Step 2: Convert to fraction form
19,037,251.62/26,246,033.42 = 15,130,054.62/x - Step 3: Cross multiply
19,037,251.62x = 26,246,033.42 × 15,130,054.62 - Step 4: Simplify right side
19,037,251.62x = 397,103,919,127,295.06 - Step 5: Solve for x
x = 397,103,919,127,295.06/19,037,251.62 - Step 6: Final answer
x = 20,859,309.27
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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.