Finding the Fourth Proportional to 21,513,352.98, 29,687,563.28 and 11,723,588.52
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Solution
The fourth proportional to 21,513,352.98, 29,687,563.28 and 11,723,588.52 is: 16,178,081.41
Step by Step Solution
- Step 1: Write the proportion equation
21,513,352.98 : 29,687,563.28 = 11,723,588.52 : x - Step 2: Convert to fraction form
21,513,352.98/29,687,563.28 = 11,723,588.52/x - Step 3: Cross multiply
21,513,352.98x = 29,687,563.28 × 11,723,588.52 - Step 4: Simplify right side
21,513,352.98x = 348,044,775,997,563.56 - Step 5: Solve for x
x = 348,044,775,997,563.56/21,513,352.98 - Step 6: Final answer
x = 16,178,081.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.