Finding the Fourth Proportional to 8,742,542.48, 12,064,862.76 and 4,822,747.28
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Solution
The fourth proportional to 8,742,542.48, 12,064,862.76 and 4,822,747.28 is: 6,655,476.28
Step by Step Solution
- Step 1: Write the proportion equation
8,742,542.48 : 12,064,862.76 = 4,822,747.28 : x - Step 2: Convert to fraction form
8,742,542.48/12,064,862.76 = 4,822,747.28/x - Step 3: Cross multiply
8,742,542.48x = 12,064,862.76 × 4,822,747.28 - Step 4: Simplify right side
8,742,542.48x = 58,185,784,059,363.30 - Step 5: Solve for x
x = 58,185,784,059,363.30/8,742,542.48 - Step 6: Final answer
x = 6,655,476.28
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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.