Finding the Fourth Proportional to 11,437,215.35, 15,782,887.97 and 6,210,020.40
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Solution
The fourth proportional to 11,437,215.35, 15,782,887.97 and 6,210,020.40 is: 8,569,573.38
Step by Step Solution
- Step 1: Write the proportion equation
11,437,215.35 : 15,782,887.97 = 6,210,020.40 : x - Step 2: Convert to fraction form
11,437,215.35/15,782,887.97 = 6,210,020.40/x - Step 3: Cross multiply
11,437,215.35x = 15,782,887.97 × 6,210,020.40 - Step 4: Simplify right side
11,437,215.35x = 98,012,056,197,666.23 - Step 5: Solve for x
x = 98,012,056,197,666.23/11,437,215.35 - Step 6: Final answer
x = 8,569,573.38
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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.