Finding the Fourth Proportional to 19,559,628.20, 29,318,447.10 and 7,424,402.60
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Solution
The fourth proportional to 19,559,628.20, 29,318,447.10 and 7,424,402.60 is: 11,128,634.59
Step by Step Solution
- Step 1: Write the proportion equation
19,559,628.20 : 29,318,447.10 = 7,424,402.60 : x - Step 2: Convert to fraction form
19,559,628.20/29,318,447.10 = 7,424,402.60/x - Step 3: Cross multiply
19,559,628.20x = 29,318,447.10 × 7,424,402.60 - Step 4: Simplify right side
19,559,628.20x = 217,671,954,877,202.47 - Step 5: Solve for x
x = 217,671,954,877,202.47/19,559,628.20 - Step 6: Final answer
x = 11,128,634.59
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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.