Finding the Fourth Proportional to 16,488,977.30, 24,721,656.15 and 6,899,419.70
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Solution
The fourth proportional to 16,488,977.30, 24,721,656.15 and 6,899,419.70 is: 10,344,188.02
Step by Step Solution
- Step 1: Write the proportion equation
16,488,977.30 : 24,721,656.15 = 6,899,419.70 : x - Step 2: Convert to fraction form
16,488,977.30/24,721,656.15 = 6,899,419.70/x - Step 3: Cross multiply
16,488,977.30x = 24,721,656.15 × 6,899,419.70 - Step 4: Simplify right side
16,488,977.30x = 170,565,081,457,936.16 - Step 5: Solve for x
x = 170,565,081,457,936.16/16,488,977.30 - Step 6: Final answer
x = 10,344,188.02
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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.