Finding the Fourth Proportional to 26,260,816.48, 36,245,973.42 and 15,399,299.68
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Solution
The fourth proportional to 26,260,816.48, 36,245,973.42 and 15,399,299.68 is: 21,254,579.32
Step by Step Solution
- Step 1: Write the proportion equation
26,260,816.48 : 36,245,973.42 = 15,399,299.68 : x - Step 2: Convert to fraction form
26,260,816.48/36,245,973.42 = 15,399,299.68/x - Step 3: Cross multiply
26,260,816.48x = 36,245,973.42 × 15,399,299.68 - Step 4: Simplify right side
26,260,816.48x = 558,162,606,887,894.50 - Step 5: Solve for x
x = 558,162,606,887,894.50/26,260,816.48 - Step 6: Final answer
x = 21,254,579.32
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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.