Finding the Fourth Proportional to 11,457,447.78, 15,811,693.65 and 6,563,615.70
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Solution
The fourth proportional to 11,457,447.78, 15,811,693.65 and 6,563,615.70 is: 9,058,027.82
Step by Step Solution
- Step 1: Write the proportion equation
11,457,447.78 : 15,811,693.65 = 6,563,615.70 : x - Step 2: Convert to fraction form
11,457,447.78/15,811,693.65 = 6,563,615.70/x - Step 3: Cross multiply
11,457,447.78x = 15,811,693.65 × 6,563,615.70 - Step 4: Simplify right side
11,457,447.78x = 103,781,880,684,730.31 - Step 5: Solve for x
x = 103,781,880,684,730.31/11,457,447.78 - Step 6: Final answer
x = 9,058,027.82
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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.