Finding the Fourth Proportional to 10,483,986.74, 14,472,365.58 and 7,048,220.67
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Solution
The fourth proportional to 10,483,986.74, 14,472,365.58 and 7,048,220.67 is: 9,729,545.53
Step by Step Solution
- Step 1: Write the proportion equation
10,483,986.74 : 14,472,365.58 = 7,048,220.67 : x - Step 2: Convert to fraction form
10,483,986.74/14,472,365.58 = 7,048,220.67/x - Step 3: Cross multiply
10,483,986.74x = 14,472,365.58 × 7,048,220.67 - Step 4: Simplify right side
10,483,986.74x = 102,004,426,224,752.53 - Step 5: Solve for x
x = 102,004,426,224,752.53/10,483,986.74 - Step 6: Final answer
x = 9,729,545.53
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1.5x scale
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.