Finding the Fourth Proportional to 10,153,864.40, 14,012,251.24 and 5,507,637.88
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Solution
The fourth proportional to 10,153,864.40, 14,012,251.24 and 5,507,637.88 is: 7,600,495.99
Step by Step Solution
- Step 1: Write the proportion equation
10,153,864.40 : 14,012,251.24 = 5,507,637.88 : x - Step 2: Convert to fraction form
10,153,864.40/14,012,251.24 = 5,507,637.88/x - Step 3: Cross multiply
10,153,864.40x = 14,012,251.24 × 5,507,637.88 - Step 4: Simplify right side
10,153,864.40x = 77,174,405,615,901.52 - Step 5: Solve for x
x = 77,174,405,615,901.52/10,153,864.40 - Step 6: Final answer
x = 7,600,495.99
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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.