Finding the Fourth Proportional to 13,850,273.16, 19,103,462.28 and 9,721,225.26
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Solution
The fourth proportional to 13,850,273.16, 19,103,462.28 and 9,721,225.26 is: 13,408,331.95
Step by Step Solution
- Step 1: Write the proportion equation
13,850,273.16 : 19,103,462.28 = 9,721,225.26 : x - Step 2: Convert to fraction form
13,850,273.16/19,103,462.28 = 9,721,225.26/x - Step 3: Cross multiply
13,850,273.16x = 19,103,462.28 × 9,721,225.26 - Step 4: Simplify right side
13,850,273.16x = 185,709,060,069,793.19 - Step 5: Solve for x
x = 185,709,060,069,793.19/13,850,273.16 - Step 6: Final answer
x = 13,408,331.95
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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.