Finding the Fourth Proportional to 8,447,477.99, 11,657,749.14 and 4,776,943.74
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Solution
The fourth proportional to 8,447,477.99, 11,657,749.14 and 4,776,943.74 is: 6,592,312.15
Step by Step Solution
- Step 1: Write the proportion equation
8,447,477.99 : 11,657,749.14 = 4,776,943.74 : x - Step 2: Convert to fraction form
8,447,477.99/11,657,749.14 = 4,776,943.74/x - Step 3: Cross multiply
8,447,477.99x = 11,657,749.14 × 4,776,943.74 - Step 4: Simplify right side
8,447,477.99x = 55,688,411,776,813.39 - Step 5: Solve for x
x = 55,688,411,776,813.39/8,447,477.99 - Step 6: Final answer
x = 6,592,312.15
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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.