Finding the Fourth Proportional to 9,877,237.63, 14,820,964.99 and 7,167,128.76
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Solution
The fourth proportional to 9,877,237.63, 14,820,964.99 and 7,167,128.76 is: 10,754,400.01
Step by Step Solution
- Step 1: Write the proportion equation
9,877,237.63 : 14,820,964.99 = 7,167,128.76 : x - Step 2: Convert to fraction form
9,877,237.63/14,820,964.99 = 7,167,128.76/x - Step 3: Cross multiply
9,877,237.63x = 14,820,964.99 × 7,167,128.76 - Step 4: Simplify right side
9,877,237.63x = 106,223,764,430,782.11 - Step 5: Solve for x
x = 106,223,764,430,782.11/9,877,237.63 - Step 6: Final answer
x = 10,754,400.01
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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.