Finding the Fourth Proportional to 20,610,228.65, 30,916,337.21 and 6,776,881.12
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Solution
The fourth proportional to 20,610,228.65, 30,916,337.21 and 6,776,881.12 is: 10,165,648.59
Step by Step Solution
- Step 1: Write the proportion equation
20,610,228.65 : 30,916,337.21 = 6,776,881.12 : x - Step 2: Convert to fraction form
20,610,228.65/30,916,337.21 = 6,776,881.12/x - Step 3: Cross multiply
20,610,228.65x = 30,916,337.21 × 6,776,881.12 - Step 4: Simplify right side
20,610,228.65x = 209,516,341,794,272.38 - Step 5: Solve for x
x = 209,516,341,794,272.38/20,610,228.65 - Step 6: Final answer
x = 10,165,648.59
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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.