Finding the Fourth Proportional to 8,954,543.78, 12,357,312.99 and 5,087,277.14
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Solution
The fourth proportional to 8,954,543.78, 12,357,312.99 and 5,087,277.14 is: 7,020,466.64
Step by Step Solution
- Step 1: Write the proportion equation
8,954,543.78 : 12,357,312.99 = 5,087,277.14 : x - Step 2: Convert to fraction form
8,954,543.78/12,357,312.99 = 5,087,277.14/x - Step 3: Cross multiply
8,954,543.78x = 12,357,312.99 × 5,087,277.14 - Step 4: Simplify right side
8,954,543.78x = 62,865,075,885,852.05 - Step 5: Solve for x
x = 62,865,075,885,852.05/8,954,543.78 - Step 6: Final answer
x = 7,020,466.64
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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.