Finding the Fourth Proportional to 11,666,209.84, 16,099,282.58 and 6,439,216.93
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Solution
The fourth proportional to 11,666,209.84, 16,099,282.58 and 6,439,216.93 is: 8,886,071.34
Step by Step Solution
- Step 1: Write the proportion equation
11,666,209.84 : 16,099,282.58 = 6,439,216.93 : x - Step 2: Convert to fraction form
11,666,209.84/16,099,282.58 = 6,439,216.93/x - Step 3: Cross multiply
11,666,209.84x = 16,099,282.58 × 6,439,216.93 - Step 4: Simplify right side
11,666,209.84x = 103,666,772,877,545.78 - Step 5: Solve for x
x = 103,666,772,877,545.78/11,666,209.84 - Step 6: Final answer
x = 8,886,071.34
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1.5x scale
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.