Finding the Fourth Proportional to 19,750,865.47, 29,627,289.65 and 6,288,743.23
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Solution
The fourth proportional to 19,750,865.47, 29,627,289.65 and 6,288,743.23 is: 9,433,430.52
Step by Step Solution
- Step 1: Write the proportion equation
19,750,865.47 : 29,627,289.65 = 6,288,743.23 : x - Step 2: Convert to fraction form
19,750,865.47/29,627,289.65 = 6,288,743.23/x - Step 3: Cross multiply
19,750,865.47x = 29,627,289.65 × 6,288,743.23 - Step 4: Simplify right side
19,750,865.47x = 186,318,417,151,340.22 - Step 5: Solve for x
x = 186,318,417,151,340.22/19,750,865.47 - Step 6: Final answer
x = 9,433,430.52
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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.