Finding the Fourth Proportional to 12,930,263.99, 19,408,017.74 and 10,678,725.65
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Solution
The fourth proportional to 12,930,263.99, 19,408,017.74 and 10,678,725.65 is: 16,028,512.41
Step by Step Solution
- Step 1: Write the proportion equation
12,930,263.99 : 19,408,017.74 = 10,678,725.65 : x - Step 2: Convert to fraction form
12,930,263.99/19,408,017.74 = 10,678,725.65/x - Step 3: Cross multiply
12,930,263.99x = 19,408,017.74 × 10,678,725.65 - Step 4: Simplify right side
12,930,263.99x = 207,252,896,855,793.03 - Step 5: Solve for x
x = 207,252,896,855,793.03/12,930,263.99 - Step 6: Final answer
x = 16,028,512.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.