Finding the Fourth Proportional to 14,489,777.30, 19,996,372.06 and 7,963,638.08
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Solution
The fourth proportional to 14,489,777.30, 19,996,372.06 and 7,963,638.08 is: 10,990,084.02
Step by Step Solution
- Step 1: Write the proportion equation
14,489,777.30 : 19,996,372.06 = 7,963,638.08 : x - Step 2: Convert to fraction form
14,489,777.30/19,996,372.06 = 7,963,638.08/x - Step 3: Cross multiply
14,489,777.30x = 19,996,372.06 × 7,963,638.08 - Step 4: Simplify right side
14,489,777.30x = 159,243,869,878,973.09 - Step 5: Solve for x
x = 159,243,869,878,973.09/14,489,777.30 - Step 6: Final answer
x = 10,990,084.02
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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.