Finding the Fourth Proportional to 21,513,344.80, 29,687,551.98 and 11,723,580.34
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Solution
The fourth proportional to 21,513,344.80, 29,687,551.98 and 11,723,580.34 is: 16,178,070.12
Step by Step Solution
- Step 1: Write the proportion equation
21,513,344.80 : 29,687,551.98 = 11,723,580.34 : x - Step 2: Convert to fraction form
21,513,344.80/29,687,551.98 = 11,723,580.34/x - Step 3: Cross multiply
21,513,344.80x = 29,687,551.98 × 11,723,580.34 - Step 4: Simplify right side
21,513,344.80x = 348,044,400,735,456.06 - Step 5: Solve for x
x = 348,044,400,735,456.06/21,513,344.80 - Step 6: Final answer
x = 16,178,070.12
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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.