Finding the Fourth Proportional to 19,389,947.26, 26,758,120.35 and 10,688,264.68
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Solution
The fourth proportional to 19,389,947.26, 26,758,120.35 and 10,688,264.68 is: 14,749,801.47
Step by Step Solution
- Step 1: Write the proportion equation
19,389,947.26 : 26,758,120.35 = 10,688,264.68 : x - Step 2: Convert to fraction form
19,389,947.26/26,758,120.35 = 10,688,264.68/x - Step 3: Cross multiply
19,389,947.26x = 26,758,120.35 × 10,688,264.68 - Step 4: Simplify right side
19,389,947.26x = 285,997,872,640,094.25 - Step 5: Solve for x
x = 285,997,872,640,094.25/19,389,947.26 - Step 6: Final answer
x = 14,749,801.47
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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.