Finding the Fourth Proportional to 13,583,641.17, 18,755,946.60 and 10,438,923.70
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Solution
The fourth proportional to 13,583,641.17, 18,755,946.60 and 10,438,923.70 is: 14,413,800.61
Step by Step Solution
- Step 1: Write the proportion equation
13,583,641.17 : 18,755,946.60 = 10,438,923.70 : x - Step 2: Convert to fraction form
13,583,641.17/18,755,946.60 = 10,438,923.70/x - Step 3: Cross multiply
13,583,641.17x = 18,755,946.60 × 10,438,923.70 - Step 4: Simplify right side
13,583,641.17x = 195,791,895,462,973.41 - Step 5: Solve for x
x = 195,791,895,462,973.41/13,583,641.17 - Step 6: Final answer
x = 14,413,800.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.