Finding the Fourth Proportional to 21,513,352.48, 29,687,562.58 and 11,723,588.02
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Solution
The fourth proportional to 21,513,352.48, 29,687,562.58 and 11,723,588.02 is: 16,178,080.72
Step by Step Solution
- Step 1: Write the proportion equation
21,513,352.48 : 29,687,562.58 = 11,723,588.02 : x - Step 2: Convert to fraction form
21,513,352.48/29,687,562.58 = 11,723,588.02/x - Step 3: Cross multiply
21,513,352.48x = 29,687,562.58 × 11,723,588.02 - Step 4: Simplify right side
21,513,352.48x = 348,044,753,005,888.25 - Step 5: Solve for x
x = 348,044,753,005,888.25/21,513,352.48 - Step 6: Final answer
x = 16,178,080.72
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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.