Finding the Fourth Proportional to 29,973,128.97, 44,878,856.49 and 19,572,584.07
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Solution
The fourth proportional to 29,973,128.97, 44,878,856.49 and 19,572,584.07 is: 29,306,089.21
Step by Step Solution
- Step 1: Write the proportion equation
29,973,128.97 : 44,878,856.49 = 19,572,584.07 : x - Step 2: Convert to fraction form
29,973,128.97/44,878,856.49 = 19,572,584.07/x - Step 3: Cross multiply
29,973,128.97x = 44,878,856.49 × 19,572,584.07 - Step 4: Simplify right side
29,973,128.97x = 878,395,191,615,990.12 - Step 5: Solve for x
x = 878,395,191,615,990.12/29,973,128.97 - Step 6: Final answer
x = 29,306,089.21
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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.