Finding the Fourth Proportional to 19,032,455.64, 26,264,109.18 and 10,772,340.56
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Solution
The fourth proportional to 19,032,455.64, 26,264,109.18 and 10,772,340.56 is: 14,865,445.32
Step by Step Solution
- Step 1: Write the proportion equation
19,032,455.64 : 26,264,109.18 = 10,772,340.56 : x - Step 2: Convert to fraction form
19,032,455.64/26,264,109.18 = 10,772,340.56/x - Step 3: Cross multiply
19,032,455.64x = 26,264,109.18 × 10,772,340.56 - Step 4: Simplify right side
19,032,455.64x = 282,925,928,591,982.38 - Step 5: Solve for x
x = 282,925,928,591,982.38/19,032,455.64 - Step 6: Final answer
x = 14,865,445.32
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1.5x scale
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.