Finding the Fourth Proportional to 31,243,511.99, 46,872,750.42 and 13,037,579.61
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Solution
The fourth proportional to 31,243,511.99, 46,872,750.42 and 13,037,579.61 is: 19,559,491.76
Step by Step Solution
- Step 1: Write the proportion equation
31,243,511.99 : 46,872,750.42 = 13,037,579.61 : x - Step 2: Convert to fraction form
31,243,511.99/46,872,750.42 = 13,037,579.61/x - Step 3: Cross multiply
31,243,511.99x = 46,872,750.42 × 13,037,579.61 - Step 4: Simplify right side
31,243,511.99x = 611,107,215,140,410.88 - Step 5: Solve for x
x = 611,107,215,140,410.88/31,243,511.99 - Step 6: Final answer
x = 19,559,491.76
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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.