Finding the Fourth Proportional to 15,551,073.14, 21,460,490.16 and 8,675,555.18
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Solution
The fourth proportional to 15,551,073.14, 21,460,490.16 and 8,675,555.18 is: 11,972,271.30
Step by Step Solution
- Step 1: Write the proportion equation
15,551,073.14 : 21,460,490.16 = 8,675,555.18 : x - Step 2: Convert to fraction form
15,551,073.14/21,460,490.16 = 8,675,555.18/x - Step 3: Cross multiply
15,551,073.14x = 21,460,490.16 × 8,675,555.18 - Step 4: Simplify right side
15,551,073.14x = 186,181,666,572,927.03 - Step 5: Solve for x
x = 186,181,666,572,927.03/15,551,073.14 - Step 6: Final answer
x = 11,972,271.30
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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.