Finding the Fourth Proportional to 19,035,912.08, 28,553,867.40 and 5,572,740.08
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Solution
The fourth proportional to 19,035,912.08, 28,553,867.40 and 5,572,740.08 is: 8,359,109.91
Step by Step Solution
- Step 1: Write the proportion equation
19,035,912.08 : 28,553,867.40 = 5,572,740.08 : x - Step 2: Convert to fraction form
19,035,912.08/28,553,867.40 = 5,572,740.08/x - Step 3: Cross multiply
19,035,912.08x = 28,553,867.40 × 5,572,740.08 - Step 4: Simplify right side
19,035,912.08x = 159,123,281,298,985.38 - Step 5: Solve for x
x = 159,123,281,298,985.38/19,035,912.08 - Step 6: Final answer
x = 8,359,109.91
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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.