Finding the Fourth Proportional to 9,111,764.37, 12,574,257.44 and 4,982,061.99
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Solution
The fourth proportional to 9,111,764.37, 12,574,257.44 and 4,982,061.99 is: 6,875,257.91
Step by Step Solution
- Step 1: Write the proportion equation
9,111,764.37 : 12,574,257.44 = 4,982,061.99 : x - Step 2: Convert to fraction form
9,111,764.37/12,574,257.44 = 4,982,061.99/x - Step 3: Cross multiply
9,111,764.37x = 12,574,257.44 × 4,982,061.99 - Step 4: Simplify right side
9,111,764.37x = 62,645,730,044,298.70 - Step 5: Solve for x
x = 62,645,730,044,298.70/9,111,764.37 - Step 6: Final answer
x = 6,875,257.91
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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.