Finding the Fourth Proportional to 49,113,420.56, 73,657,564.68 and 14,561,743.28
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Solution
The fourth proportional to 49,113,420.56, 73,657,564.68 and 14,561,743.28 is: 21,838,889.15
Step by Step Solution
- Step 1: Write the proportion equation
49,113,420.56 : 73,657,564.68 = 14,561,743.28 : x - Step 2: Convert to fraction form
49,113,420.56/73,657,564.68 = 14,561,743.28/x - Step 3: Cross multiply
49,113,420.56x = 73,657,564.68 × 14,561,743.28 - Step 4: Simplify right side
49,113,420.56x = 1,072,582,547,500,155.38 - Step 5: Solve for x
x = 1,072,582,547,500,155.38/49,113,420.56 - Step 6: Final answer
x = 21,838,889.15
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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.