Finding the Fourth Proportional to 28,470,931.14, 42,706,241.16 and 6,905,491.14
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Solution
The fourth proportional to 28,470,931.14, 42,706,241.16 and 6,905,491.14 is: 10,358,198.98
Step by Step Solution
- Step 1: Write the proportion equation
28,470,931.14 : 42,706,241.16 = 6,905,491.14 : x - Step 2: Convert to fraction form
28,470,931.14/42,706,241.16 = 6,905,491.14/x - Step 3: Cross multiply
28,470,931.14x = 42,706,241.16 × 6,905,491.14 - Step 4: Simplify right side
28,470,931.14x = 294,907,569,953,083.31 - Step 5: Solve for x
x = 294,907,569,953,083.31/28,470,931.14 - Step 6: Final answer
x = 10,358,198.98
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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.