Finding the Fourth Proportional to 9,878,637.44, 14,817,872.93 and 7,721,477.03
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Solution
The fourth proportional to 9,878,637.44, 14,817,872.93 and 7,721,477.03 is: 11,582,150.48
Step by Step Solution
- Step 1: Write the proportion equation
9,878,637.44 : 14,817,872.93 = 7,721,477.03 : x - Step 2: Convert to fraction form
9,878,637.44/14,817,872.93 = 7,721,477.03/x - Step 3: Cross multiply
9,878,637.44x = 14,817,872.93 × 7,721,477.03 - Step 4: Simplify right side
9,878,637.44x = 114,415,865,349,757.06 - Step 5: Solve for x
x = 114,415,865,349,757.06/9,878,637.44 - Step 6: Final answer
x = 11,582,150.48
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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.