Finding the Fourth Proportional to 10,329,022.09, 15,475,577.87 and 7,248,479.50
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Solution
The fourth proportional to 10,329,022.09, 15,475,577.87 and 7,248,479.50 is: 10,860,118.99
Step by Step Solution
- Step 1: Write the proportion equation
10,329,022.09 : 15,475,577.87 = 7,248,479.50 : x - Step 2: Convert to fraction form
10,329,022.09/15,475,577.87 = 7,248,479.50/x - Step 3: Cross multiply
10,329,022.09x = 15,475,577.87 × 7,248,479.50 - Step 4: Simplify right side
10,329,022.09x = 112,174,408,938,041.64 - Step 5: Solve for x
x = 112,174,408,938,041.64/10,329,022.09 - Step 6: Final answer
x = 10,860,118.99
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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.