Finding the Fourth Proportional to 31,319,397.97, 46,963,908.06 and 18,369,777.04
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Solution
The fourth proportional to 31,319,397.97, 46,963,908.06 and 18,369,777.04 is: 27,545,756.81
Step by Step Solution
- Step 1: Write the proportion equation
31,319,397.97 : 46,963,908.06 = 18,369,777.04 : x - Step 2: Convert to fraction form
31,319,397.97/46,963,908.06 = 18,369,777.04/x - Step 3: Cross multiply
31,319,397.97x = 46,963,908.06 × 18,369,777.04 - Step 4: Simplify right side
31,319,397.97x = 862,716,519,989,259 - Step 5: Solve for x
x = 862,716,519,989,259/31,319,397.97 - Step 6: Final answer
x = 27,545,756.81
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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.