Finding the Fourth Proportional to 19,255,712.32, 28,887,927.36 and 6,475,865.60
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Solution
The fourth proportional to 19,255,712.32, 28,887,927.36 and 6,475,865.60 is: 9,715,264.33
Step by Step Solution
- Step 1: Write the proportion equation
19,255,712.32 : 28,887,927.36 = 6,475,865.60 : x - Step 2: Convert to fraction form
19,255,712.32/28,887,927.36 = 6,475,865.60/x - Step 3: Cross multiply
19,255,712.32x = 28,887,927.36 × 6,475,865.60 - Step 4: Simplify right side
19,255,712.32x = 187,074,335,045,922.81 - Step 5: Solve for x
x = 187,074,335,045,922.81/19,255,712.32 - Step 6: Final answer
x = 9,715,264.33
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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.