Finding the Fourth Proportional to 26,472,980.40, 39,667,480.20 and 17,487,034.80
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Solution
The fourth proportional to 26,472,980.40, 39,667,480.20 and 17,487,034.80 is: 26,202,814.95
Step by Step Solution
- Step 1: Write the proportion equation
26,472,980.40 : 39,667,480.20 = 17,487,034.80 : x - Step 2: Convert to fraction form
26,472,980.40/39,667,480.20 = 17,487,034.80/x - Step 3: Cross multiply
26,472,980.40x = 39,667,480.20 × 17,487,034.80 - Step 4: Simplify right side
26,472,980.40x = 693,666,606,685,711 - Step 5: Solve for x
x = 693,666,606,685,711/26,472,980.40 - Step 6: Final answer
x = 26,202,814.95
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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.