Finding the Fourth Proportional to 12,709,539.04, 17,539,288.54 and 6,908,317.20
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Solution
The fourth proportional to 12,709,539.04, 17,539,288.54 and 6,908,317.20 is: 9,533,545.50
Step by Step Solution
- Step 1: Write the proportion equation
12,709,539.04 : 17,539,288.54 = 6,908,317.20 : x - Step 2: Convert to fraction form
12,709,539.04/17,539,288.54 = 6,908,317.20/x - Step 3: Cross multiply
12,709,539.04x = 17,539,288.54 × 6,908,317.20 - Step 4: Simplify right side
12,709,539.04x = 121,166,968,696,644.89 - Step 5: Solve for x
x = 121,166,968,696,644.89/12,709,539.04 - Step 6: Final answer
x = 9,533,545.50
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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.