Finding the Fourth Proportional to 7,221,402.41, 10,845,594.63 and 6,357,143.75
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Solution
The fourth proportional to 7,221,402.41, 10,845,594.63 and 6,357,143.75 is: 9,547,592.03
Step by Step Solution
- Step 1: Write the proportion equation
7,221,402.41 : 10,845,594.63 = 6,357,143.75 : x - Step 2: Convert to fraction form
7,221,402.41/10,845,594.63 = 6,357,143.75/x - Step 3: Cross multiply
7,221,402.41x = 10,845,594.63 × 6,357,143.75 - Step 4: Simplify right side
7,221,402.41x = 68,947,004,062,910.09 - Step 5: Solve for x
x = 68,947,004,062,910.09/7,221,402.41 - Step 6: Final answer
x = 9,547,592.03
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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.