Finding the Fourth Proportional to 13,326,577.98, 19,989,869.85 and 4,806,913.74
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Solution
The fourth proportional to 13,326,577.98, 19,989,869.85 and 4,806,913.74 is: 7,210,371.65
Step by Step Solution
- Step 1: Write the proportion equation
13,326,577.98 : 19,989,869.85 = 4,806,913.74 : x - Step 2: Convert to fraction form
13,326,577.98/19,989,869.85 = 4,806,913.74/x - Step 3: Cross multiply
13,326,577.98x = 19,989,869.85 × 4,806,913.74 - Step 4: Simplify right side
13,326,577.98x = 96,089,580,042,776.75 - Step 5: Solve for x
x = 96,089,580,042,776.75/13,326,577.98 - Step 6: Final answer
x = 7,210,371.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.