Finding the Fourth Proportional to 29,607,195.99, 40,817,749.58 and 20,774,646.57
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Solution
The fourth proportional to 29,607,195.99, 40,817,749.58 and 20,774,646.57 is: 28,640,818.32
Step by Step Solution
- Step 1: Write the proportion equation
29,607,195.99 : 40,817,749.58 = 20,774,646.57 : x - Step 2: Convert to fraction form
29,607,195.99/40,817,749.58 = 20,774,646.57/x - Step 3: Cross multiply
29,607,195.99x = 40,817,749.58 × 20,774,646.57 - Step 4: Simplify right side
29,607,195.99x = 847,974,321,203,392.75 - Step 5: Solve for x
x = 847,974,321,203,392.75/29,607,195.99 - Step 6: Final answer
x = 28,640,818.32
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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.